EP4036457A1 - Device for storing cryogenic fluid - Google Patents

Device for storing cryogenic fluid Download PDF

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Publication number
EP4036457A1
EP4036457A1 EP21216028.7A EP21216028A EP4036457A1 EP 4036457 A1 EP4036457 A1 EP 4036457A1 EP 21216028 A EP21216028 A EP 21216028A EP 4036457 A1 EP4036457 A1 EP 4036457A1
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EP
European Patent Office
Prior art keywords
ramp
orifices
longitudinal direction
reservoir
gas
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.)
Pending
Application number
EP21216028.7A
Other languages
German (de)
French (fr)
Inventor
Thomas FAYER
Patrick Bravais
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.)
LAir Liquide SA pour lEtude et lExploitation des Procedes Georges Claude
Original Assignee
LAir Liquide SA pour lEtude et lExploitation des Procedes Georges Claude
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Filing date
Publication date
Application filed by LAir Liquide SA pour lEtude et lExploitation des Procedes Georges Claude filed Critical LAir Liquide SA pour lEtude et lExploitation des Procedes Georges Claude
Publication of EP4036457A1 publication Critical patent/EP4036457A1/en
Pending legal-status Critical Current

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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
    • F17C13/00—Details of vessels or of the filling or discharging of vessels
    • F17C13/005—Details of vessels or of the filling or discharging of vessels for medium-size and small storage vessels not under pressure
    • 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
    • F17C3/00—Vessels not under pressure
    • 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
    • F17C13/02—Special adaptations of indicating, measuring, or monitoring equipment
    • F17C13/025—Special adaptations of indicating, measuring, or monitoring equipment having the pressure as the parameter
    • 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
    • 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
    • F17C2201/00—Vessel construction, in particular geometry, arrangement or size
    • F17C2201/01—Shape
    • F17C2201/0104—Shape cylindrical
    • 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
    • F17C2201/01—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
    • F17C2201/03—Orientation
    • F17C2201/035—Orientation with substantially horizontal 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
    • 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
    • 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
    • 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
    • F17C2223/041—Stratification
    • 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
    • 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
    • F17C2225/04—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
    • F17C2225/043—Localisation of the filling point in the gas
    • F17C2225/044—Localisation of the filling point in the gas at several points, e.g. with a device for recondensing 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
    • 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
    • F17C2227/0107—Propulsion of the fluid by pressurising the ullage
    • 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
    • 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
    • F17C2227/0369—Localisation of heat exchange in or on a vessel
    • 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
    • F17C2250/00—Accessories; Control means; Indicating, measuring or monitoring of parameters
    • F17C2250/03—Control means
    • F17C2250/032—Control means using computers
    • 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
    • F17C2250/06—Controlling or regulating of parameters as output values
    • F17C2250/0605—Parameters
    • F17C2250/0626—Pressure
    • 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
    • F17C2260/00—Purposes of gas storage and gas handling
    • F17C2260/03—Dealing with losses
    • F17C2260/031—Dealing with losses due to heat transfer

Definitions

  • the invention relates to a cryogenic fluid storage device.
  • the invention relates more particularly to a cryogenic fluid storage device comprising a tank extending in a longitudinal direction and intended to contain liquefied gas in equilibrium with a gaseous phase, a tank pressurization device, the pressurization device comprising a pressurized gas generator and a pressurized gas injection rail extending in the longitudinal direction in the upper part of the tank, the injection rail comprising a plurality of gas outlet orifices spaced in the longitudinal direction.
  • the tank In certain applications, to withdraw liquid from a cryogenic tank, the tank must be pressurized beforehand so as to present a pressure difference sufficient for the transfer. In addition, this pressure must also be maintained during the transfer.
  • an atmospheric heater is placed under the tank to allow pressurization by vaporizing part of the liquid contents of the storage.
  • the vaporized and superheated gas is then reinjected into the gas overhead of the reservoir. See for example the document FR1402554A .
  • An object of the present invention is to overcome all or part of the drawbacks of the prior art noted above.
  • the device according to the invention is essentially characterized in that at least one of: the spacing between the orifices, the diameter orifices, the number of orifices is different along the longitudinal direction between a first gas inlet end in the ramp and a second opposite end of the ramp and configured to homogenize the flow rates leaving the orifices of the ramp along the longitudinal direction.
  • the gas reinjection velocity field obtained is more homogeneous than according to the prior art and makes it possible to concentrate the heat at the top of the gas dome, while disturbing the boundary layer at the liquid/gas interface as little as possible. The stratification of the gaseous sky is improved.
  • the invention may also relate to any alternative device or method comprising any combination of the characteristics above or below within the scope of the claims.
  • the cryogenic fluid storage device 1 illustrated by way of example comprises a reservoir 2, for example of generally cylindrical shape, extending in a longitudinal direction A which is preferably horizontal when the reservoir 2 is in the configuration of use.
  • the tank 2 is of the cryogenic type, that is to say configured to contain liquefied gas 3 (a liquid phase in the lower part surmounted by a gaseous phase in the upper part).
  • the device 1 further comprises a device 5, 6 for pressurizing the reservoir 2.
  • This pressurizing device conventionally comprises a pressurized gas generator 5 fluidly connected to a pressurized gas injection ramp 6 extending in the longitudinal direction A in the upper part of the tank 2. That is to say that the injection rail is located in the upper half of the tank, in particular adjacent to the upper end of the tank. The injection rail is thus located in the gaseous phase of the reservoir.
  • the pressurized gas generator 5 may for example comprise a heater for the fluid taken in liquid form from the reservoir 2. The generator is configured to supply the injection ramp 6 with pressurized gas.
  • the injection ramp 6 is fixed by plates 9 at the level of the upper surface of the tank 2.
  • the ramp 6 is located at a distance from the highest part of the tank 2 of between 10mm and 200mm .
  • the injection rail 6 is provided with a plurality of gas outlet orifices 7 distributed along the longitudinal direction A.
  • the spacing D1, D2,... between the orifices 7 and/or the diameter d0, d1, d2,... (or the section) and/or the number of the orifices 7 varies according to the longitudinal direction A between a first gas inlet end in the ramp 6 and a second opposite end of the ramp 6, so as to homogenize the flow rates leaving the orifices 7 of the ramp 6 in the longitudinal direction A.
  • the ramp 6 preferably crosses the entire gas headspace of the tank 2 (over its entire length or the majority of its length).
  • At least some of the orifices 7 have identical diameters (or sections) d0, d1, d2 and decreasing spacings D1, D2 from the first end towards the second end of the ramp.
  • At least a part of the orifices 7 have increasing diameters d0, d1, d2, etc... and constant spacings D1, D2, etc... from the first end towards the second end of the ramp. These increasing diameters or sections can also be obtained, for example, by varying the number of orifices 7.
  • the sum of the surfaces of all the orifices 7 can be equal to the surface of the inlet section of the gas flow in the ramp 6.
  • the second end of the ramp 6 preferably comprises a flow control member 8 from among: a convergent, a divergent, an orifice.
  • This regulating member 8 is configured to contribute to controlling the flow rate and the injection speed at the end of ramp 6.
  • the ramp 6 may comprise groups of several orifices 7 at one or more longitudinal positions.
  • orifices 7 of the same group or of two different groups can be oriented separately towards the inside of the tank 2.
  • orifices 7 are located oppositely on either side of the periphery of ramp 6 (jets oriented laterally on each side downwards in the tank 2) cf. [ Fig. 3 ] and/or towards the top of the tank (see [ Fig. 3 ]) and/or the orifices are oriented laterally substantially horizontally cf. [ Fig. 4 ].
  • the orientation of the orifices 7, giving the inclination to the gas jet makes it possible to reduce the appearance of convective cells and/or to reduce the heat exchanges at the wall of the reservoir 2.
  • the orifices can be positioned symmetrically or not on the ramp 6.
  • the ramp 6 may include, near the first end, an elbow 19 located above at least part of the remainder of the ramp 6 extending towards the second end.
  • this bend 19 could be formed outside the reservoir 2, for example at the level of the pipe portion which supplies the ramp 6 with gas.
  • the device allows the reduction of pressurization times in tank 2.
  • Heat transfers inside tank 2 are also reduced at the liquid/gas interface. There is also a potential reduction in the heating of the liquid present in tank 2 via a stratification of the gas dome (thanks to the homogenization and reduction of the reinjection velocity field).

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

Abstract

Dispositif de stockage de fluide cryogénique comprenant un réservoir (2) s'étendant selon une direction (A) longitudinale et destiné à contenir du gaz liquéfié (3) en équilibre avec une phase gazeuse, un dispositif (5, 6) de pressurisation du réservoir (2), le dispositif de pressurisation comprenant un générateur (5) de gaz sous pression et une rampe (6) d'injection du gaz sous pression s'étendant selon la direction longitudinale (A) dans la partie supérieure du réservoir (2), la rampe (6) d'injection comprenant une pluralité d'orifices (7) de sortie de gaz espacés selon la direction (A) longitudinale, caractérisé en ce que l'un au moins parmi : l'espacement (Dl, D2) entre les orifices (7), le diamètre (d0, dl, d2) des orifices (7), le nombre des orifices (7) est différent selon la direction (A) longitudinale entre une première extrémité d'entrée du gaz dans la rampe (6) et une seconde extrémité opposée de la rampe (6) et configuré pour homogénéiser les débits sortant des orifices (7) de la rampe (6) selon la direction (A) longitudinale.Cryogenic fluid storage device comprising a reservoir (2) extending in a longitudinal direction (A) and intended to contain liquefied gas (3) in equilibrium with a gaseous phase, a device (5, 6) for pressurizing the reservoir (2), the pressurization device comprising a pressurized gas generator (5) and a pressurized gas injection ramp (6) extending in the longitudinal direction (A) in the upper part of the reservoir (2) , the injection rail (6) comprising a plurality of gas outlet orifices (7) spaced apart in the longitudinal direction (A), characterized in that at least one of: the spacing (D1, D2) between the orifices (7), the diameter (d0, dl, d2) of the orifices (7), the number of orifices (7) is different according to the longitudinal direction (A) between a first gas inlet end in the ramp (6) and a second opposite end of the ramp (6) and configured to homogenize the flow rates leaving the orifices (7) of the ramp (6) in the longitudinal direction (A).

Description

L'invention concerne un dispositif de stockage de fluide cryogénique.The invention relates to a cryogenic fluid storage device.

L'invention concerne plus particulièrement un dispositif de stockage de fluide cryogénique comprenant un réservoir s'étendant selon une direction longitudinale et destiné à contenir du gaz liquéfié en équilibre avec une phase gazeuse, un dispositif de pressurisation du réservoir, le dispositif de pressurisation comprenant un générateur de gaz sous pression et une rampe d'injection du gaz sous pression s'étendant selon la direction longitudinale dans la partie supérieure du réservoir, la rampe d'injection comprenant une pluralité d'orifices de sortie de gaz espacés selon la direction longitudinale.The invention relates more particularly to a cryogenic fluid storage device comprising a tank extending in a longitudinal direction and intended to contain liquefied gas in equilibrium with a gaseous phase, a tank pressurization device, the pressurization device comprising a pressurized gas generator and a pressurized gas injection rail extending in the longitudinal direction in the upper part of the tank, the injection rail comprising a plurality of gas outlet orifices spaced in the longitudinal direction.

Dans certaines applications, pour soutirer du liquide d'un réservoir cryogénique, le réservoir doit être préalablement pressurisé de façon à présenter une différence de pression suffisante pour le transfert. En outre cette pression doit également être maintenue lors du transfert.In certain applications, to withdraw liquid from a cryogenic tank, the tank must be pressurized beforehand so as to present a pressure difference sufficient for the transfer. In addition, this pressure must also be maintained during the transfer.

Dans une solution connue, un réchauffeur atmosphérique est placé sous le réservoir pour permettre la pressurisation en vaporisant une partie du contenu liquide du stockage. Le gaz vaporisé et surchauffé est alors réinjecté dans le ciel gazeux du réservoir. Cf. par exemple le document FR1402554A .In a known solution, an atmospheric heater is placed under the tank to allow pressurization by vaporizing part of the liquid contents of the storage. The vaporized and superheated gas is then reinjected into the gas overhead of the reservoir. See for example the document FR1402554A .

Le gaz réinjecté a cependant tendance à réchauffer le liquide cryogénique présent dans le réservoir, diminuant le pouvoir pressurisant du ciel gazeux et dégradant la température de la molécule liquide (que l'on veut garder la plus froide possible). Ces échanges thermiques au niveau de l'interface liquide/gaz sont d'autant plus importants que la vitesse de réinjection est élevée. Une réinjection de gaz non optimisée aura donc pour conséquence d'augmenter cet échange thermique non-désiré lors des phases de transfert de liquide. Les systèmes de réinjection connues perturbent la couche limite à l'interface liquide/gaz. Un but de la présente invention est de pallier tout ou partie des inconvénients de l'art antérieur relevés ci-dessus.However, the reinjected gas tends to heat the cryogenic liquid present in the tank, reducing the pressurizing power of the gaseous headspace and degrading the temperature of the liquid molecule (which we want to keep as cold as possible). These heat exchanges at the liquid/gas interface are all the greater as the reinjection rate is high. A non-optimized reinjection of gas will therefore have the consequence of increasing this unwanted heat exchange during the liquid transfer phases. Known reinjection systems disturb the boundary layer at the liquid/gas interface. An object of the present invention is to overcome all or part of the drawbacks of the prior art noted above.

A cette fin, le dispositif selon l'invention, par ailleurs conforme à la définition générique qu'en donne le préambule ci-dessus, est essentiellement caractérisé en ce que l'un au moins parmi : l'espacement entre les orifices, le diamètre des orifices, le nombre des orifices est différent selon la direction longitudinale entre une première extrémité d'entrée du gaz dans la rampe et une seconde extrémité opposée de la rampe et configuré pour homogénéiser les débits sortant des orifices de la rampe selon la direction longitudinale.To this end, the device according to the invention, moreover conforming to the generic definition given in the preamble above, is essentially characterized in that at least one of: the spacing between the orifices, the diameter orifices, the number of orifices is different along the longitudinal direction between a first gas inlet end in the ramp and a second opposite end of the ramp and configured to homogenize the flow rates leaving the orifices of the ramp along the longitudinal direction.

Le champ de vitesses de réinjection du gaz obtenu est plus homogène que selon l'art antérieur et permet de concentrer la chaleur en haut du dôme gazeux, en perturbant le moins possible la couche limite à l'interface liquide/gaz. La stratification du ciel gazeux est améliorée.The gas reinjection velocity field obtained is more homogeneous than according to the prior art and makes it possible to concentrate the heat at the top of the gas dome, while disturbing the boundary layer at the liquid/gas interface as little as possible. The stratification of the gaseous sky is improved.

Par ailleurs, des modes de réalisation de l'invention peuvent comporter l'une ou plusieurs des caractéristiques suivantes :

  • au moins une partie des orifices ont des diamètres identiques et des espacements décroissants de la première extrémité vers la seconde extrémité de la rampe,
  • au moins une partie des orifices ont des diamètres croissants et des espacements constants de la première extrémité vers la seconde extrémité de la rampe,
  • la seconde extrémité de la rampe comprend un organe de régulation de débit parmi : un convergent, un divergent, un orifice,
  • le dispositif comprend plusieurs orifices situés à au moins une même position longitudinale de la rampe,
  • au moins deux des plusieurs orifices situés à une même position longitudinale de la rampe sont orientés de façon distinctes dans le réservoir selon l'une des configurations suivantes : les orifices sont situés de façon opposée de part et d'autre de la périphérie de la rampe, les orifices sont orientés vers le haut et/ou vers le bas du réservoir,
  • la somme des surfaces des orifices est égale à la surface de la section d'entrée du flux de gaz dans la rampe,
  • la rampe ou la conduite à laquelle la rampe est reliée hors du réservoir comprend, à proximité de la première extrémité, un coude situé au-dessus d'au moins une partie du reste de la rampe s'étendant vers la seconde extrémité,
  • le générateur de gaz sous pression comprend un réchauffeur du fluide prélevé dans le réservoir.
Further, embodiments of the invention may include one or more of the following features:
  • at least some of the orifices have identical diameters and decreasing spacing from the first end towards the second end of the ramp,
  • at least some of the orifices have increasing diameters and constant spacing from the first end to the second end of the ramp,
  • the second end of the ramp comprises a flow regulating member from among: a convergent, a divergent, an orifice,
  • the device comprises several orifices located at at least one and the same longitudinal position of the ramp,
  • at least two of the several orifices located at the same longitudinal position of the ramp are oriented separately in the reservoir according to one of the following configurations: the orifices are located opposite each other on both sides on the other side of the periphery of the ramp, the orifices are oriented towards the top and/or the bottom of the tank,
  • the sum of the surfaces of the orifices is equal to the surface of the inlet section of the gas flow in the ramp,
  • the ramp or the pipe to which the ramp is connected outside the tank comprises, near the first end, an elbow located above at least part of the rest of the ramp extending towards the second end,
  • the pressurized gas generator comprises a heater for the fluid taken from the reservoir.

L'invention peut concerner également tout dispositif ou procédé alternatif comprenant toute combinaison des caractéristiques ci-dessus ou ci-dessous dans le cadre des revendications.The invention may also relate to any alternative device or method comprising any combination of the characteristics above or below within the scope of the claims.

D'autres particularités et avantages apparaîtront à la lecture de la description ci-après, faite en référence aux figures dans lesquelles :

  • [Fig. 1] représente une vue en perspective en transparence, schématique et partielle, illustrant un exemple de structure et de fonctionnement d'un premier exemple possible de réalisation de l'invention,
  • [Fig. 2] représente de façon schématique et partielle une section transversale d'un détail du dispositif selon un premier mode de réalisation,
  • [Fig. 3] représente de façon schématique et partielle une section transversale d'un détail du dispositif selon un deuxième mode de réalisation,
  • [Fig. 4] représente de façon schématique et partielle une section transversale d'un détail du dispositif selon un troisième mode de réalisation,
  • [Fig. 5] représente une vue en coupe et de côté, schématique et partielle, illustrant un autre exemple de réalisation de la structure et du fonctionnement de l'invention,
Other features and advantages will appear on reading the description below, made with reference to the figures in which:
  • [ Fig. 1 ] represents a perspective view in transparency, schematic and partial, illustrating an example of structure and operation of a first possible embodiment of the invention,
  • [ Fig. 2 ] schematically and partially represents a cross section of a detail of the device according to a first embodiment,
  • [ Fig. 3 ] schematically and partially represents a cross section of a detail of the device according to a second embodiment,
  • [ Fig. 4 ] schematically and partially represents a cross section of a detail of the device according to a third embodiment,
  • [ Fig. 5 ] represents a sectional and side view, schematic and partial, illustrating another embodiment of the structure and operation of the invention,

Le dispositif 1 de stockage de fluide cryogénique illustré à titre d'exemple comprend un réservoir 2, par exemple de forme générale cylindrique, s'étendant selon une direction A longitudinale qui est de préférence horizontale lorsque le réservoir 2 est en configuration d'utilisation. Le réservoir 2 est du type cryogénique c'est-à-dire configuré pour contenir du gaz liquéfié 3 (une phase liquide en partie inférieure surmontée d'une phase gazeuse en partie supérieure).The cryogenic fluid storage device 1 illustrated by way of example comprises a reservoir 2, for example of generally cylindrical shape, extending in a longitudinal direction A which is preferably horizontal when the reservoir 2 is in the configuration of use. The tank 2 is of the cryogenic type, that is to say configured to contain liquefied gas 3 (a liquid phase in the lower part surmounted by a gaseous phase in the upper part).

Le dispositif 1 comprend en outre un dispositif 5, 6 de pressurisation du réservoir 2. Ce dispositif de pressurisation comprend classiquement un générateur 5 de gaz sous pression relié fluidiquement à une rampe 6 d'injection du gaz sous pression s'étendant selon la direction longitudinale A dans la partie supérieure du réservoir 2. C'est-à-dire que la rampe d'injection est située dans la moitié supérieure du réservoir, en particulier de façon adjacente à l'extrémité supérieure du réservoir. La rampe d'injection est ainsi située dans la phase gazeuse du réservoir. Le générateur 5 de gaz sous pression peut comprendre par exemple un réchauffeur du fluide prélevé sous forme liquide dans le réservoir 2. Le générateur est configuré pour alimenter la rampe 6 d'injection en gaz sous pression.The device 1 further comprises a device 5, 6 for pressurizing the reservoir 2. This pressurizing device conventionally comprises a pressurized gas generator 5 fluidly connected to a pressurized gas injection ramp 6 extending in the longitudinal direction A in the upper part of the tank 2. That is to say that the injection rail is located in the upper half of the tank, in particular adjacent to the upper end of the tank. The injection rail is thus located in the gaseous phase of the reservoir. The pressurized gas generator 5 may for example comprise a heater for the fluid taken in liquid form from the reservoir 2. The generator is configured to supply the injection ramp 6 with pressurized gas.

Par exemple, la rampe 6 d'injection est fixée par des platines 9 au niveau de la surface supérieure du réservoir 2. Par exemple, la rampe 6 est située à une distance de la partie la plus haute du réservoir 2 comprise entre 10mm et 200mm.For example, the injection ramp 6 is fixed by plates 9 at the level of the upper surface of the tank 2. For example, the ramp 6 is located at a distance from the highest part of the tank 2 of between 10mm and 200mm .

La rampe 6 d'injection est munie d'une pluralité d'orifices 7 de sortie de gaz répartis selon la direction A longitudinale.The injection rail 6 is provided with a plurality of gas outlet orifices 7 distributed along the longitudinal direction A.

L'espacement D1, D2,... entre les orifices 7 et/ou le diamètre d0, d1, d2,... (ou la section) et/ou le nombre des orifices 7 varie selon la direction A longitudinale entre une première extrémité d'entrée du gaz dans la rampe 6 et une seconde extrémité opposée de la rampe 6, de façon à homogénéiser les débits sortant des orifices 7 de la rampe 6 selon la direction A longitudinale.The spacing D1, D2,... between the orifices 7 and/or the diameter d0, d1, d2,... (or the section) and/or the number of the orifices 7 varies according to the longitudinal direction A between a first gas inlet end in the ramp 6 and a second opposite end of the ramp 6, so as to homogenize the flow rates leaving the orifices 7 of the ramp 6 in the longitudinal direction A.

C'est-à-dire que les surfaces des orifices débouchant dans le réservoir varient selon la direction A longitudinale.That is to say that the surfaces of the orifices opening into the tank vary along the longitudinal direction A.

La rampe 6 traverse de préférence l'ensemble du ciel gazeux du réservoir 2 (sur toute sa longueur ou la majorité de sa longueur) .The ramp 6 preferably crosses the entire gas headspace of the tank 2 (over its entire length or the majority of its length).

Par exemple, au moins une partie des orifices 7 ont des diamètres (ou sections) identiques d0, d1, d2 et des espacements D1, D2 décroissants de la première extrémité vers la seconde extrémité de la rampe.For example, at least some of the orifices 7 have identical diameters (or sections) d0, d1, d2 and decreasing spacings D1, D2 from the first end towards the second end of the ramp.

Alternativement ou cumulativement, au moins une partie des orifices 7 ont des diamètres croissants d0, d1, d2, etc... et des espacements D1, D2, etc... constants de la première extrémité vers la seconde extrémité de la rampe. Ces diamètres ou sections croissants peuvent également être obtenus par exemple en jouant sur le nombre d'orifices 7.Alternatively or cumulatively, at least a part of the orifices 7 have increasing diameters d0, d1, d2, etc... and constant spacings D1, D2, etc... from the first end towards the second end of the ramp. These increasing diameters or sections can also be obtained, for example, by varying the number of orifices 7.

Par exemple, la somme des surfaces de tous les orifices 7 peut être égale à la surface de la section d'entrée du flux de gaz dans la rampe 6.For example, the sum of the surfaces of all the orifices 7 can be equal to the surface of the inlet section of the gas flow in the ramp 6.

La seconde extrémité de la rampe 6 comprend de préférence un organe 8 de régulation de débit parmi : un convergent, un divergent, un orifice. Cet organe 8 de régulation est configuré pour contribuer au contrôle du débit et de la vitesse d'injection en bout de rampe 6.The second end of the ramp 6 preferably comprises a flow control member 8 from among: a convergent, a divergent, an orifice. This regulating member 8 is configured to contribute to controlling the flow rate and the injection speed at the end of ramp 6.

Comme schématisés aux [Fig. 2], [Fig. 3] et [Fig. 4], la rampe 6 peut comporter des groupes de plusieurs orifices 7 à une ou des positions longitudinales.As shown in [ Fig. 2 ], [ Fig. 3] and [Fig. 4 ], the ramp 6 may comprise groups of several orifices 7 at one or more longitudinal positions.

Par exemple, des orifices 7 d'un même groupe ou de deux groupes différents peuvent être orientés de façon distinctes vers l'intérieur du réservoir 2.For example, orifices 7 of the same group or of two different groups can be oriented separately towards the inside of the tank 2.

Par exemple des orifices 7 sont situés de façon opposée de part et d'autre de la périphérie de la rampe 6 (jets orientés latéralement de chaque côté vers le bas dans le réservoir 2) cf. [Fig. 3] et/ou vers le haut du réservoir (cf. [Fig. 3]) et/ou les orifices sont orientés latéralement sensiblement à l'horizontale cf. [Fig. 4].For example, orifices 7 are located oppositely on either side of the periphery of ramp 6 (jets oriented laterally on each side downwards in the tank 2) cf. [ Fig. 3 ] and/or towards the top of the tank (see [ Fig. 3 ]) and/or the orifices are oriented laterally substantially horizontally cf. [ Fig. 4 ].

L'orientation des orifices 7, donnant l'inclinaison au jet de gaz, permet de réduire l'apparition de cellules convectives et/ou réduire les échanges thermiques à la paroi du réservoir 2.The orientation of the orifices 7, giving the inclination to the gas jet, makes it possible to reduce the appearance of convective cells and/or to reduce the heat exchanges at the wall of the reservoir 2.

Les orifices peuvent être positionnés de manière symétrique ou non sur la rampe 6.The orifices can be positioned symmetrically or not on the ramp 6.

Comme illustré à la [Fig. 5], la rampe 6 peut comprendre, à proximité de la première extrémité, un coude 19 situé au-dessus d'au moins une partie du reste de la rampe 6 s'étendant vers la seconde extrémité.As shown in [ Fig. 5 ], the ramp 6 may include, near the first end, an elbow 19 located above at least part of the remainder of the ramp 6 extending towards the second end.

Ceci permet d'éviter des retours de liquide dans le réchauffeur 5 si la rampe 6 est partiellement noyée de liquide (vagues dans le réservoir 2 ou forte inclinaison en cours d'utilisation par exemple). Ce mode de réalisation n'est cependant pas limitatif. Ainsi, ce coude 19 pourrait être formé à l'extérieur du réservoir 2, par exemple au niveau de la portion de conduite qui alimente la rampe 6 en gaz.This makes it possible to avoid liquid returning to heater 5 if ramp 6 is partially flooded with liquid (waves in tank 2 or steep inclination during use, for example). This embodiment is however not limiting. Thus, this bend 19 could be formed outside the reservoir 2, for example at the level of the pipe portion which supplies the ramp 6 with gas.

Le dispositif permet la réduction des temps de mise en pression dans le réservoir 2.The device allows the reduction of pressurization times in tank 2.

De plus, un tel agencement permet de diminuer la quantité de liquide utilisée dans le réchauffeur 5 (ou équivalent) lors des transferts.In addition, such an arrangement makes it possible to reduce the quantity of liquid used in the heater 5 (or equivalent) during transfers.

Les transferts thermiques à l'intérieur du réservoir 2 sont également réduits au niveau de l'interface liquide/gaz. Il y a de plus une réduction potentielle du réchauffage du liquide présent dans le réservoir 2 via une stratification du dôme gazeux (grâce à l'homogénéisation et réduction du champ de vitesse de réinjection).Heat transfers inside tank 2 are also reduced at the liquid/gas interface. There is also a potential reduction in the heating of the liquid present in tank 2 via a stratification of the gas dome (thanks to the homogenization and reduction of the reinjection velocity field).

Claims (8)

Dispositif de stockage de fluide cryogénique comprenant un réservoir (2) s'étendant selon une direction (A) longitudinale et destiné à contenir du gaz liquéfié (3) en équilibre avec une phase gazeuse, un dispositif (5, 6) de pressurisation du réservoir (2), le dispositif de pressurisation comprenant un générateur (5) de gaz sous pression relié fluidiquement à une rampe (6) d'injection du gaz sous pression s'étendant selon la direction longitudinale (A) dans la partie supérieure du réservoir (2), la rampe (6) d'injection comprenant une pluralité d'orifices (7) de sortie de gaz espacés selon la direction (A) longitudinale, caractérisé en ce que l'un au moins parmi : l'espacement (D1, D2) entre les orifices (7), le diamètre (d0, d1, d2) des orifices (7), le nombre des orifices (7) est différent selon la direction (A) longitudinale entre une première extrémité d'entrée du gaz dans la rampe (6) et une seconde extrémité opposée de la rampe (6) et configuré pour homogénéiser les débits sortant des orifices (7) de la rampe (6) selon la direction (A) longitudinale, caractérisé en ce que le générateur (5) de gaz sous pression comprend un réchauffeur du fluide prélevé dans le réservoir.Cryogenic fluid storage device comprising a reservoir (2) extending in a longitudinal direction (A) and intended to contain liquefied gas (3) in equilibrium with a gaseous phase, a device (5, 6) for pressurizing the reservoir (2), the pressurization device comprising a pressurized gas generator (5) fluidically connected to a pressurized gas injection ramp (6) extending in the longitudinal direction (A) in the upper part of the reservoir ( 2), the injection rail (6) comprising a plurality of gas outlet orifices (7) spaced apart in the longitudinal direction (A), characterized in that at least one of: the spacing (D1, D2) between the orifices (7), the diameter (d0, d1, d2) of the orifices (7), the number of orifices (7) is different according to the longitudinal direction (A) between a first gas inlet end in the ramp (6) and a second opposite end of the ramp (6) and configured to homogenize the outflows t of the orifices (7) of the ramp (6) in the longitudinal direction (A), characterized in that the pressurized gas generator (5) comprises a heater for the fluid taken from the reservoir. Dispositif selon la revendication 1, caractérisé en ce qu'au moins une partie des orifices (7) ont des diamètres identiques (d0, d1, d2) et des espacements (D1, D2) décroissants de la première extrémité vers la seconde extrémité de la rampe (6) .Device according to claim 1, characterized in that at least some of the orifices (7) have identical diameters (d0, d1, d2) and decreasing spacings (D1, D2) from the first end towards the second end of the ramp (6) . Dispositif selon la revendication 1 ou 2, caractérisé en ce qu'au moins une partie des orifices (7) ont des diamètres croissants (d0, d1, d2) et des espacements (D1, D2) constants de la première extrémité vers la seconde extrémité de la rampe (6).Device according to Claim 1 or 2, characterized in that at least some of the orifices (7) have increasing diameters (d0, d1, d2) and spacings (D1, D2) which are constant from the first end towards the second end. of the ramp (6). Dispositif selon l'une quelconque des revendications 1 à 3, caractérisé en ce que la seconde extrémité de la rampe (6) comprend un organe (8) de régulation de débit parmi : un convergent, un divergent, un orifice.Device according to any one of Claims 1 to 3, characterized in that the second end of the ramp (6) comprises one member (8) for regulating the flow from among: a convergent, a divergent, an orifice. Dispositif selon l'une quelconque de revendications 1 à 4, caractérisé en ce qu'il comprend plusieurs orifices (7) situés à au moins une même position longitudinale de la rampe (6).Device according to any one of Claims 1 to 4, characterized in that it comprises several orifices (7) located at at least one and the same longitudinal position of the ramp (6). Dispositif selon la revendication 5, caractérisé en ce qu'au moins deux des plusieurs orifices (7) situés à une même position longitudinale de la rampe (6) sont orientés de façon distinctes dans le réservoir selon l'une des configurations suivantes : les orifices (7) sont situés de façon opposée de part et d'autre de la périphérie de la rampe (6), les orifices sont orientés vers le haut et/ou vers le bas du réservoir.Device according to Claim 5, characterized in that at least two of the several orifices (7) located at the same longitudinal position of the ramp (6) are oriented in a distinct manner in the tank according to one of the following configurations: the orifices (7) are located oppositely on either side of the periphery of the ramp (6), the orifices are oriented towards the top and/or the bottom of the tank. Dispositif selon l'une quelconque des revendications 1 à 6, caractérisé en ce que la somme des surfaces des orifices (7) est égale à la surface de la section d'entrée du flux de gaz dans la rampe (6).Device according to any one of Claims 1 to 6, characterized in that the sum of the surfaces of the orifices (7) is equal to the surface of the inlet section of the gas flow in the ramp (6). Dispositif selon l'une quelconque des revendications 1 à 7, caractérisé en ce que la rampe (6) ou la conduite à laquelle la rampe (6) est reliée hors du réservoir comprend, à proximité de la première extrémité, un coude (19) situé au-dessus d'au moins une partie du reste de la rampe (6) s'étendant vers la seconde extrémité.Device according to any one of Claims 1 to 7, characterized in that the ramp (6) or the pipe to which the ramp (6) is connected outside the reservoir comprises, near the first end, an elbow (19) located above at least part of the rest of the ramp (6) extending towards the second end.
EP21216028.7A 2021-01-12 2021-12-20 Device for storing cryogenic fluid Pending EP4036457A1 (en)

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US20220221110A1 (en) 2022-07-14
CN114763876A (en) 2022-07-19
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JP2022108278A (en) 2022-07-25
CA3144740A1 (en) 2022-07-12
KR20220102120A (en) 2022-07-19

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