EP3645933A1 - Fluiddichte membran und verfahren zur montage einer fluiddichten membran - Google Patents

Fluiddichte membran und verfahren zur montage einer fluiddichten membran

Info

Publication number
EP3645933A1
EP3645933A1 EP18738209.8A EP18738209A EP3645933A1 EP 3645933 A1 EP3645933 A1 EP 3645933A1 EP 18738209 A EP18738209 A EP 18738209A EP 3645933 A1 EP3645933 A1 EP 3645933A1
Authority
EP
European Patent Office
Prior art keywords
plate
transverse
longitudinal
longitudinal side
overlaps
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.)
Granted
Application number
EP18738209.8A
Other languages
English (en)
French (fr)
Other versions
EP3645933B1 (de
Inventor
Marc BOYEAU
Edouard DUCLOY
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.)
Gaztransport et Technigaz SA
Original Assignee
Gaztransport et Technigaz SA
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Gaztransport et Technigaz SA filed Critical Gaztransport et Technigaz SA
Publication of EP3645933A1 publication Critical patent/EP3645933A1/de
Application granted granted Critical
Publication of EP3645933B1 publication Critical patent/EP3645933B1/de
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C3/00—Vessels not under pressure
    • F17C3/02—Vessels not under pressure with provision for thermal insulation
    • F17C3/025—Bulk storage in barges or on ships
    • F17C3/027—Wallpanels for so-called membrane tanks
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING 
    • B63B25/00—Load-accommodating arrangements, e.g. stowing, trimming; Vessels characterised thereby
    • B63B25/02—Load-accommodating arrangements, e.g. stowing, trimming; Vessels characterised thereby for bulk goods
    • B63B25/08—Load-accommodating arrangements, e.g. stowing, trimming; Vessels characterised thereby for bulk goods fluid
    • B63B25/12—Load-accommodating arrangements, e.g. stowing, trimming; Vessels characterised thereby for bulk goods fluid closed
    • B63B25/16—Load-accommodating arrangements, e.g. stowing, trimming; Vessels characterised thereby for bulk goods fluid closed heat-insulated
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING 
    • B63B27/00—Arrangement of ship-based loading or unloading equipment for cargo or passengers
    • B63B27/24—Arrangement of ship-based loading or unloading equipment for cargo or passengers of pipe-lines
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING 
    • B63B27/00—Arrangement of ship-based loading or unloading equipment for cargo or passengers
    • B63B27/30—Arrangement of ship-based loading or unloading equipment for transfer at sea between ships or between ships and off-shore structures
    • B63B27/34—Arrangement of ship-based loading or unloading equipment for transfer at sea between ships or between ships and off-shore structures using pipe-lines
    • 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
    • F17C13/001—Thermal insulation specially adapted for cryogenic 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
    • F17C3/00—Vessels not under pressure
    • F17C3/02—Vessels not under pressure with provision for thermal insulation
    • 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
    • F17C3/02—Vessels not under pressure with provision for thermal insulation
    • F17C3/025—Bulk 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
    • F17C3/00—Vessels not under pressure
    • F17C3/02—Vessels not under pressure with provision for thermal insulation
    • F17C3/04—Vessels not under pressure with provision for thermal insulation by insulating layers
    • 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
    • F17C2201/0147—Shape complex
    • F17C2201/0157—Polygonal
    • 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
    • F17C2203/00—Vessel construction, in particular walls or details thereof
    • F17C2203/03—Thermal insulations
    • F17C2203/0304—Thermal insulations by solid means
    • 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
    • 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
    • F17C2203/0648—Alloys or compositions of metals
    • 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
    • F17C2209/00—Vessel construction, in particular methods of manufacturing
    • F17C2209/23—Manufacturing of particular parts or at special locations
    • F17C2209/232—Manufacturing of particular parts or at special locations of walls
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C2221/00—Handled fluid, in particular type of fluid
    • F17C2221/03—Mixtures
    • F17C2221/032—Hydrocarbons
    • F17C2221/033—Methane, e.g. natural gas, CNG, LNG, GNL, GNC, PLNG
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C2223/00—Handled fluid before transfer, i.e. state of fluid when stored in the vessel or before transfer from the vessel
    • F17C2223/01—Handled fluid before transfer, i.e. state of fluid when stored in the vessel or before transfer from the vessel characterised by the phase
    • F17C2223/0146—Two-phase
    • F17C2223/0153—Liquefied gas, e.g. LPG, GPL
    • F17C2223/0161—Liquefied gas, e.g. LPG, GPL cryogenic, e.g. LNG, GNL, PLNG
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C2223/00—Handled fluid before transfer, i.e. state of fluid when stored in the vessel or before transfer from the vessel
    • F17C2223/03—Handled fluid before transfer, i.e. state of fluid when stored in the vessel or before transfer from the vessel characterised by the pressure level
    • F17C2223/033—Small pressure, e.g. for liquefied gas
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C2260/00—Purposes of gas storage and gas handling
    • F17C2260/01—Improving mechanical properties or manufacturing
    • F17C2260/013—Reducing manufacturing time or effort
    • 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
    • F17C2270/0102—Applications for fluid transport or storage on or in the water
    • F17C2270/0105—Ships
    • F17C2270/0107—Wall panels

Definitions

  • the invention relates to the field of tanks, sealed and thermally insulating, for the storage and / or transport of fluid, such as a cryogenic fluid.
  • the invention relates more particularly to the field of manufacturing sealed membranes for such tanks.
  • the patent application FR3004416 discloses a method of manufacturing a waterproof membrane.
  • the assembly method consists, initially, in arranging first, second and third rectangular plates on a support surface.
  • the third rectangular plate is overlapped, on the one hand, by a transverse band of the first plate and, on the other hand, by a longitudinal band of the second plate.
  • the transverse band of the first plate and the longitudinal band of the second plate each comprise a beveled side.
  • a first straight and continuous weld line is formed on the transverse web of the first plate so as to assemble it to the third plate and a second straight and continuous weld line is formed on the longitudinal strip of the second plate so as to assemble it to the third plate.
  • a fourth plate is then positioned to overlap a longitudinal strip of the first plate and a transverse strip of the second plate.
  • the fourth plate has a corner area that overlaps the gap between the beveled sides vis-à-vis the first plate and the second plate.
  • a third straight and continuous weld line is then made on the area of the fourth plate which overlaps the longitudinal strip of the first plate so as to assemble the first and fourth plates until cutting the first weld line.
  • a fourth straight and continuous weld line is formed on the area of the fourth plate which overlaps the transverse strip of the second plate so as to assemble the second and fourth plates until cutting the second weld line.
  • an oblique weld line is made on the corner area of the fourth plate in the gap between the beveled sides facing the first plate and the second plate to cut the first or third weld line, on the one hand, and the second and the fourth weld line, on the other hand.
  • An idea underlying the invention is to provide a waterproof membrane and a method of assembling such a waterproof membrane that is simple to implement and that reduces the amount of material used.
  • the invention provides a waterproof membrane comprising sealed sheets of waterproof material, the membrane comprising:
  • first plate a first plate, a second plate and a third plate disposed on a support surface, each of said first, second and third plates having an orthogonal longitudinal side and an orthogonal transverse side joining at a corner area;
  • the first plate covering an area of the support surface which is adjacent to the transverse side of the third plate and having a transverse strip which extends along the transverse side of said first plate and overlaps the transverse side of the third plate;
  • the second plate covering an area of the support surface which is adjacent to the longitudinal side of the third plate and having a longitudinal band which extends along the longitudinal side of said third plate and overlaps the longitudinal side of the third plate; the corner area of the first plate and the corner area of the second plate being disposed opposite one another with a gap opening the corner area of the third plate;
  • a fourth plate disposed on the support surface so as to cover an area of the support surface which is adjacent to the longitudinal side of the first plate and the transverse side of the second plate, the fourth plate having a longitudinal side and a side transverse orthogonal joining at a corner region, said corner region having a convex curved portion, the fourth plate having a longitudinal band overlapping the longitudinal side of the first plate and an end portion of the first line of weld and a transverse band overlapping the transverse side of the second plate and an end portion of the second weld line, the corner region of the fourth plate overlapping the gap between the corner region of the first plate and the corner area of the second plate;
  • a third clam weld line extending continuously along the longitudinal side, the corner area and the transverse side of the fourth plate so as to assemble the fourth plate to the first, second and third plates; the third weld line cutting the first and second weld lines.
  • the invention also provides an assembly method for producing a waterproof membrane by assembling sheets of waterproof material, the assembly method comprising:
  • first plate a second plate and a third plate on a support surface, each of said first, second and third plates having an orthogonal longitudinal side and an orthogonal transverse side joining at a corner area;
  • the first plate being arranged to cover an area of the support surface which is adjacent to the transverse side of the third plate and so that a transverse strip of the first plate which extends along the transverse side of the third plate; said first plate overlaps the transverse side of the third plate;
  • the second plate being arranged to cover an area of the support surface which is adjacent to the longitudinal side of the third plate and whereby a longitudinal strip of the second plate extending along the longitudinal side of said second plate overlaps the longitudinal side of the third plate; the corner area of the first plate and the corner area of the second plate being disposed opposite one another with a gap opening the corner area of the third plate;
  • a fourth plate on the support surface so as to cover an area of the support surface which is adjacent to the longitudinal side of the first plate and the transverse side of the second plate, the fourth plate having a longitudinal side and a side transverse orthogonal cross-section at a wedge region having a convex curved portion, the fourth plate being arranged so that a longitudinal band of the fourth plate overlaps the longitudinal side of the first plate and a portion of end of the first weld line, that a transverse band of the fourth plate overlaps the transverse side of the second plate and an end portion of the second weld line and that the corner area of the fourth plate overlaps the gap between the corner area of the first plate and the corner area of the second plate;
  • the third weld line can be made continuously, along the longitudinal side, the corner area and the transverse side of the fourth plate.
  • the The rounded shape of the corner zone of the fourth plate makes it possible to limit the dimensions of the longitudinal and transverse strips of the plate which respectively cover the first and the second plates.
  • such a waterproof membrane or such an assembly method may have one or more of the following characteristics:
  • the convex curved portion of the fourth plate develops on an angular portion of 90 °.
  • the convex curved portion of the fourth plate has a constant radius of curvature.
  • the radius of curvature of the curved convex portion is between 1 and 2.4 cm, and preferably between 1, 9 and 2.1 cm.
  • the wedge area of the first plate has a beveled side connecting the longitudinal side and the transverse side of said first plate and the first weld line is a cling weld extending along the transverse side and the bevelled side of the first plate.
  • the longitudinal side of the fourth plate extends along an axis intersecting the beveled side of the first plate.
  • the corner area of the second plate has a beveled side connecting the longitudinal side and the transverse side of said second plate and the second weld line is made flush along the longitudinal side and the beveled side of the second plate.
  • the transverse side of the fourth plate extends along an axis intersecting the beveled side of the second plate.
  • the beveled side of the first plate and the bevelled side of the second plate are parallel to each other.
  • the convex curved portion of the fourth plate overlaps the beveled side of the first plate and the beveled side of the second plate.
  • the longitudinal sides of the first, second, third and fourth plates are parallel to each other and the transverse sides of the first, second, third and fourth plates are parallel to each other.
  • the longitudinal side of the fourth plate is aligned with the longitudinal side of the second plate.
  • the transverse side of the fourth plate is aligned with the transverse side of the first plate.
  • the longitudinal strip of the fourth plate which is located between the longitudinal side of the fourth plate and the longitudinal side of the first plate has a dimension in a direction orthogonal to the longitudinal side of the fourth plate which is less than 3.6 cm, and preferably between 2.4 and 3.6 cm.
  • the transverse band of the fourth plate which is located between the transverse side of the fourth plate and the transverse side of the second plate has a dimension in a direction orthogonal to the transverse side of the fourth plate which is smaller than 3.6 cm, and preferably between 2.4 and 3.6 cm.
  • the first, second, third and fourth plates are made of sheet metal.
  • the invention also provides a sealed and thermally insulating vessel disposed in a supporting structure, the vessel having a vessel wall retained on a wall of the supporting structure, the vessel wall comprising a thermal insulation barrier. retained directly or indirectly on the carrier wall and a said waterproof membrane disposed on the thermal insulation barrier.
  • a tank according to one of the aforementioned embodiments can be part of an onshore storage facility, for example to store LNG or be installed in a floating structure, coastal or deep water, including a tanker or LNG tanker, a floating storage and regasification unit (FSRU), a floating production and remote storage unit (FPSO) and others.
  • the tank may be intended to receive liquefied natural gas as a fuel for the propulsion of the floating structure.
  • a vessel for transporting a fluid comprises a hull, such as a double hull, and a said tank disposed in the hull.
  • the invention also provides a method for loading or unloading such a vessel, in which a fluid is conveyed through isolated pipes from or to a floating or land storage facility to or from the tank of the vessel. ship.
  • the invention also provides a transfer system for a fluid, the system comprising the abovementioned vessel, insulated pipes arranged to connect the vessel installed in the hull of the vessel to a floating or ground storage facility. and a pump for driving fluid flow through the insulated pipelines from or to the floating or land storage facility to or from the vessel vessel.
  • FIG. 5 is a cutaway schematic representation of a vessel of a LNG carrier comprising a leakproof membrane mentioned above and a loading / unloading terminal for this tank.
  • Such a tank may in particular comprise a multilayer structure comprising, from the outside towards the inside of the tank, a secondary thermally insulating barrier comprising insulating elements resting against a supporting structure, a secondary sealing membrane, a primary thermally insulating barrier. comprising insulating elements resting against the secondary sealing membrane and a primary sealing membrane intended to be in contact with the liquefied gas contained in the tank.
  • a secondary thermally insulating barrier comprising insulating elements resting against a supporting structure, a secondary sealing membrane, a primary thermally insulating barrier. comprising insulating elements resting against the secondary sealing membrane and a primary sealing membrane intended to be in contact with the liquefied gas contained in the tank.
  • a primary thermally insulating barrier comprising insulating elements resting against the secondary sealing membrane and a primary sealing membrane intended to be in contact with the liquefied gas contained in the tank.
  • the four plates 1, 2, 3, 4 have a substantially rectangular shape , that is to say that they each comprise four main sides, two longitudinal sides of which are parallel to each other and are perpendicular to both transverse sides.
  • FIG. 1 there is shown in part a plate 3 of which only the lower right corner zone 3c is shown.
  • This plate 3 is placed on a support surface, such as a secondary or primary thermally insulating barrier of a tank.
  • a support surface such as a secondary or primary thermally insulating barrier of a tank.
  • a plate 2, partially shown in FIG. 2, is disposed on the support surface next to the plate 3 partially covering it.
  • the longitudinal side 2a of the plate 2 is disposed on the plate 1 of same as a whole longitudinal strip located between the longitudinal side 2a of the plate 2 and the longitudinal side 1a of the plate 1.
  • the transverse side 2b of the plate 2 is arranged in alignment with the side transverse 1 b of the plate 1.
  • the wedge zone 2c between the transverse side 2b and the longitudinal side 2a of the plate 2 has a beveled side connecting the transverse side 2b and the longitudinal side 2a.
  • the bevelled side is for example oriented at an angle of 45 ° relative to the transverse side 2b and the longitudinal side 2a.
  • another plate 1, partially shown in Figure 3 is also disposed on the support surface adjacent to the plate 3 partially covering it.
  • the transverse side 1b of the plate 1 is disposed on the plate 1 as well as a whole transverse strip located between the transverse side 1b of the plate 1 and the transverse side 3b of the plate 3.
  • the longitudinal side 1a of the plate is arranged in alignment with the longitudinal side 3a of the plate 3.
  • the corner area 1c between the transverse side 1b of the plate 1 and the longitudinal side 1a of the plate has a beveled side connecting the transverse side 1b and the longitudinal side 1a.
  • the bevelled side is for example oriented at an angle of 45 ° relative to the transverse side 1b and the longitudinal side 1a.
  • the beveled side of the first plate 1 and the bevelled side of the second plate 2 are parallel to each other.
  • a diagonal band located in the corner of the plate 3 between the bevelled sides of the plates 1 and 2 is not covered by the plate 1 or the plate 2.
  • This line welding 7 is advantageously carried out clapboard along the longitudinal side 2a and the bevelled side of the plate 2.
  • This weld line 6 is advantageously made in a flush manner along the transverse side 1b and on the bevelled side of the plate 1.
  • a fourth rectangular plate 4 shown partially, is disposed on the support surface adjacent the plates 1 and 2 partially covering them.
  • the longitudinal side 4a of the plate 4 covers the plate 1 as well as a longitudinal band of the plate 1 located between the longitudinal side 4a of the plate 4 and the longitudinal side 1a of the plate 1.
  • the transverse side 4b of the plate 4 covers the plate 2 as well as a whole transverse band of the plate 2 located between the transverse side 4b of the plate 4 and the transverse side 2b of the plate 2.
  • the longitudinal side 4a of the plate 4 is aligned with the longitudinal side of the plate 2 while the transverse side 4b of the plate 4 is aligned with the transverse side 1b of the plate 1.
  • the longitudinal side 4a of the plate 4 extends along an axis intersecting the beveled side of the plate 2 and the transverse side 4b of the plate 4 extends along an axis intersecting the beveled side of the plate 1.
  • the wedge area 4c of the plate 4 has a convex curved portion which connects the longitudinal side 4a and the transverse side of the plate 4.
  • the wedge area 4c of the plate 4 overlaps the gap 5 which is provided between the beveled sides plates 1 and 2 so that the convex curved portion overlaps the weld line 6 and the weld line 7 at the beveled sides of the plates 1, 2.
  • the curved portion extends in an angular portion of 90 °.
  • the radius of curvature of the convex curved portion is constant and is for example between 1 and 2.4 cm, and preferably between 1, 9 and 2.1 cm.
  • the overlap areas of the transverse band of the plate 1 on the plate 2, the longitudinal band of the plate 2 on the plate 3, the longitudinal band of the plate 4 on the plate 2 and the transverse band of the plate 4 on the plate 2 have identical widths.
  • the width of these overlapping areas is less than 3.6 cm and preferably between 2.4 and 3.6 cm.
  • a weld line 8 is made in a clinching manner along the longitudinal side 4a, the wedge zone 4c and the transverse side 4b of the plate 4.
  • This weld line 8 intersects the weld line 7 and the line 6.
  • the plate 4 is sealingly assembled to the plate 1 along the side longitudinal 4a of the plate 4, to the plate 2 along the transverse side 4b of the plate 4, and to the plate 3, along the corner zone 4c of the plate 4, between the two beveled sides of the plates 1, 2.
  • the weld line 8 can be made continuously, along the longitudinal side 4a, of the wedge zone 4c and the transverse side 4b of the plate 4.
  • the rounded shape of the wedge area 4c limits the dimensions of the longitudinal and transverse strips of the plate 4 which respectively cover the plate 1 and the plate 2.
  • the assembly of the four plates in the corner zone shown in FIG. 4 is liquid-tight, that is to say that a fluid located above the assembly finds no gap between the different plates for spread below the assembly. It will be appreciated that a similar assembly can be made at each corner of the plates 1, 2, 3, 4 of FIG. 4.
  • the plates 1, 2, 3, 4 are metal sheets.
  • the plates 1, 2, 3, 4 may in particular be made of stainless steel, aluminum, invar ®, that is to say an alloy of iron and nickel whose expansion coefficient is typically between 1, 2.10 " 6 and 2.10 “ 6 K “1 , or in a high manganese iron alloy whose expansion coefficient is typically of the order of 7.10 " 6 K “1 .
  • the thickness of the plates 1, 2, 3, 4 is for example between 0.4 and 2 mm, typically of the order of 0.7 mm.
  • the plates 1, 2, 3, 4 each comprise at least two perpendicular corrugations so as to allow the membrane to deform under the effect of thermal and mechanical stresses generated by the fluid stored in the tank.
  • a cutaway view of a LNG tank 70 shows a sealed and insulated tank 71 of generally prismatic shape mounted in the double hull 72 of the ship.
  • the wall of the tank 71 comprises a primary waterproof membrane intended to be in contact with the LNG contained in the tank, a secondary waterproof membrane arranged between the primary waterproof barrier and the double hull 72 of the ship, and two insulating barriers arranged respectively between the primary waterproof membrane and the secondary waterproof membrane and between the secondary waterproof membrane and the double shell 72.
  • loading / unloading lines 73 arranged on the upper deck of the ship can be connected, by means of appropriate connectors, to a marine or port terminal to transfer a cargo of LNG from or to the tank 71.
  • FIG. 5 represents an example of a marine terminal comprising a loading and unloading station 75, an underwater pipe 76 and an onshore installation 77.
  • the loading and unloading station 75 is a fixed off-shore installation comprising an arm mobile 74 and a tower 78 which supports the movable arm 74.
  • the movable arm 74 carries a bundle of insulated flexible pipes 79 that can connect to the loading / unloading pipes 73.
  • the movable arm 74 can be adapted to all gauges of LNG carriers .
  • a connection pipe (not shown) extends inside the tower 78.
  • the loading and unloading station 75 enables the loading and unloading of the LNG tank 70 from or to the shore facility 77.
  • the underwater line 76 allows the transfer of the liquefied gas between the loading or unloading station 75 and the onshore installation 77 over a large distance, for example 5 km, which makes it possible to keep the tanker vessel 70 at great distance from the coast during the loading and unloading operations.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Ocean & Marine Engineering (AREA)
  • Filling Or Discharging Of Gas Storage Vessels (AREA)
  • Separation Using Semi-Permeable Membranes (AREA)
  • Tents Or Canopies (AREA)
EP18738209.8A 2017-06-28 2018-06-21 Fluiddichte membran und verfahren zur montage einer fluiddichten membran Active EP3645933B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR1020170081929A KR101931879B1 (ko) 2017-06-28 2017-06-28 밀봉된 멤브레인 및 밀봉된 멤브레인을 조립하기 위한 방법
PCT/EP2018/066544 WO2019002076A1 (fr) 2017-06-28 2018-06-21 Membrane etanche et procede d'assemblage d'une membrane etanche

Publications (2)

Publication Number Publication Date
EP3645933A1 true EP3645933A1 (de) 2020-05-06
EP3645933B1 EP3645933B1 (de) 2022-11-09

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EP18738209.8A Active EP3645933B1 (de) 2017-06-28 2018-06-21 Fluiddichte membran und verfahren zur montage einer fluiddichten membran

Country Status (8)

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EP (1) EP3645933B1 (de)
KR (1) KR101931879B1 (de)
CN (1) CN110892189B (de)
ES (1) ES2934805T3 (de)
MY (1) MY200931A (de)
RU (1) RU2767850C2 (de)
SG (1) SG11201913508UA (de)
WO (1) WO2019002076A1 (de)

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR3143097A1 (fr) 2022-12-07 2024-06-14 Gaztransport Et Technigaz Cuve étanche et thermiquement isolante

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2271497B1 (de) * 1974-01-24 1976-10-08 Technigaz
FR2691520B1 (fr) 1992-05-20 1994-09-02 Technigaz Ste Nle Structure préfabriquée de formation de parois étanches et thermiquement isolantes pour enceinte de confinement d'un fluide à très basse température.
US7017792B2 (en) * 2001-02-02 2006-03-28 Mitsubishi Heavy Industries, Ltd. Integrated piping plate, machining method for same, machining apparatus for same, and machining equipment for same
FR2903165B1 (fr) * 2006-06-30 2008-09-05 Gaz Transport & Technigaz Panneau prefabrique avec film protecteur
FR2911576B1 (fr) * 2007-01-23 2009-03-06 Alstom Sa Procede de realisation d'une paroi isolante et etanche d'une cuve
FR2912385B1 (fr) * 2007-02-13 2011-05-06 Gaz Transport & Technigaz Structure cylindrique composee d'elements rectangulaires.
KR101215629B1 (ko) * 2008-06-20 2012-12-26 삼성중공업 주식회사 액화천연가스 화물창의 코너 패널
CN102448655B (zh) * 2009-05-27 2015-11-25 杰富意钢铁株式会社 钢板的潜弧焊接方法
JP5154672B2 (ja) * 2011-05-24 2013-02-27 Ｊｆｅスチール株式会社 自動車用骨格部品
FR2977562B1 (fr) * 2011-07-06 2016-12-23 Gaztransport Et Technigaz Cuve etanche et thermiquement isolante integree dans une structure porteuse
FR2996520B1 (fr) 2012-10-09 2014-10-24 Gaztransp Et Technigaz Cuve etanche et thermiquement isolante comportant une membrane metalique ondulee selon des plis orthogonaux
FR3004416B1 (fr) * 2013-04-12 2015-04-03 Gaztransp Et Technigaz Membrane etanche et son procede de fabrication
FR3004509B1 (fr) * 2013-04-12 2016-11-25 Gaztransport Et Technigaz Structure d'angle d'une cuve etanche et thermiquement isolante de stockage d'un fluide
FR3022971B1 (fr) * 2014-06-25 2017-03-31 Gaztransport Et Technigaz Cuve etanche et isolante et son procede de fabrication
KR102289313B1 (ko) * 2015-08-21 2021-08-12 대우조선해양 주식회사 멤브레인형 액화가스 화물창의 주름 멤브레인 시트 자동 용접시스템, 멤브레인형 액화가스 화물창의 주름 멤브레인 시트 자동 용접장치 가이드 고정구조, 및 멤브레인형 액화가스 화물창의 주름 멤브레인 시트 자동 용접장치 가이드 구조

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Publication number Publication date
EP3645933B1 (de) 2022-11-09
CN110892189B (zh) 2022-04-15
MY200931A (en) 2024-01-24
RU2019142841A (ru) 2021-07-28
ES2934805T3 (es) 2023-02-27
KR101931879B1 (ko) 2019-03-13
RU2767850C2 (ru) 2022-03-22
CN110892189A (zh) 2020-03-17
WO2019002076A1 (fr) 2019-01-03
SG11201913508UA (en) 2020-01-30
RU2019142841A3 (de) 2021-10-14

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