EP2740987A2 - Dichter isolierter Tank, der einen Stützfuß umfasst - Google Patents

Dichter isolierter Tank, der einen Stützfuß umfasst Download PDF

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Publication number
EP2740987A2
EP2740987A2 EP14157675.1A EP14157675A EP2740987A2 EP 2740987 A2 EP2740987 A2 EP 2740987A2 EP 14157675 A EP14157675 A EP 14157675A EP 2740987 A2 EP2740987 A2 EP 2740987A2
Authority
EP
European Patent Office
Prior art keywords
support foot
corrugations
window
series
support
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
EP14157675.1A
Other languages
English (en)
French (fr)
Other versions
EP2740987A3 (de
EP2740987B1 (de
Inventor
Julien Sigaudes
Saïd LAHRACH
Johan Bougault
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 EP2740987A2 publication Critical patent/EP2740987A2/de
Publication of EP2740987A3 publication Critical patent/EP2740987A3/de
Application granted granted Critical
Publication of EP2740987B1 publication Critical patent/EP2740987B1/de
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • 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
    • 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
    • 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
    • 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
    • F17C13/004—Details of vessels or of the filling or discharging of vessels for large 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
    • 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
    • F17C2205/00—Vessel construction, in particular mounting arrangements, attachments or identifications means
    • F17C2205/01—Mounting arrangements
    • F17C2205/0153—Details of mounting arrangements
    • F17C2205/018—Supporting feet
    • 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
    • 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
    • F17C2260/00—Purposes of gas storage and gas handling
    • F17C2260/01—Improving mechanical properties or manufacturing
    • 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 the construction of a sealed and insulating tank disposed in a supporting structure, in particular to the construction of a wall of such a vessel to accommodate a support foot.
  • LNG liquefied natural gas
  • FPSO FPSO and FSRU
  • a corrugated metal sheet layer is used to provide a watertight barrier which also has sufficient elasticity to withstand forces resulting for example from hydrostatic pressure, dynamic pressure in case of movement of the cargo, and / or temperature variations.
  • a sealed barrier and the underlying thermal insulation material are relatively fragile and can not necessarily support heavy equipment to be immersed at the bottom of the tank, for example a pump.
  • the invention provides a sealed and insulating vessel disposed in a supporting structure, the vessel having a vessel wall, in particular a bottom wall of the vessel, arranged along the carrying structure, the vessel wall comprising : a sealing barrier, a thermal insulation barrier disposed between the sealing barrier and the supporting structure and having a support surface for the sealing barrier, and a support foot for equipment immersed in the sealed tank, the sealing barrier having a corrugated metal sheet layer having at least one series of parallel corrugations, the corrugated metal sheet layer being interrupted at a window surrounding the support leg, the support foot extending longitudinally through the window of the corrugated metal sheet layer and having a first end portion bearing against the supporting structure, for example against a bottom zone of the supporting structure, and a second portion end projecting into the vessel to support the equipment away from the sheet metal layer, the sealing barrier having connecting pieces disposed in the window around the support foot for sealingly connecting the support foot to a marginal portion of the corrugated metal sheet layer defining the window, wherein the window interrupts the guidelines
  • such a tank may have one or more of the following characteristics.
  • the support foot can have various forms, including the characteristics of the equipment to support.
  • the support foot has at least one convex lateral side, and the guideline of said two corrugations between which the support foot is centered intersects the convex lateral side of the support foot.
  • the support foot has a circular section.
  • the window interrupts the guidelines of an even number of parallel corrugations of said at least one series, for example two parallel corrugations of said at least one series.
  • the support foot is centered substantially in the middle of the guidelines of the two undulations.
  • the support foot may be offset from the middle, so as to be closer to a corrugation than the other, for example if such a positioning makes it possible to reduce the interruption length of the corrugations taking into account the shape of the support foot.
  • said at least one series of parallel corrugations is distributed equidistantly.
  • the series of corrugations may have, at least locally, a less regular distribution.
  • the corrugations are projecting on the side of an internal face of the sealing barrier intended to be in contact with a fluid.
  • the connecting pieces comprise a plurality of end pieces disposed at a distance from the support foot so as to close interrupted ends of the two corrugations between the guidelines of which the support leg is centered. By such end pieces, one can close all the corrugations whose window interrupts the guidelines, so as to restore the continuity of the sealed barrier.
  • the support foot comprises a hollow envelope of generally tubular shape whose longitudinal axis is substantially perpendicular to the tank wall and a transverse closing wall closing the envelope tightly. to achieve the continuity of the sealing barrier at the level of the support foot.
  • a hollow form may in particular be preferred to limit the effective cross section of the support foot capable of creating a thermal bridge.
  • the connecting pieces for sealingly connecting the support foot to a marginal portion of the corrugated metal sheet layer may have many shapes.
  • the connecting pieces comprise an annular plate connected to a peripheral wall of the support foot at the level of the corrugated metal sheet layer.
  • a tray can be pre-assembled to the support foot.
  • the connecting pieces comprise an intermediate plate having a first edge welded to the annular plate and a second edge welded to the marginal portion of the corrugated metal sheet layer delimiting the window.
  • the thermal insulation barrier comprises a primary thermal insulation barrier disposed on the side of the sealing barrier, said primary sealing barrier, and a secondary thermal insulation barrier disposed on the side of the the carrier structure, the vessel wall having a secondary sealing barrier disposed between the primary and secondary thermal insulation barriers, the secondary sealing barrier being sealingly connected to a peripheral wall of the support foot.
  • the corrugated metal sheet layer has a first series of parallel corrugations and a second series of parallel corrugations which is secant to the first series of parallel corrugations at crossings, the window interrupting the lines. of a first plurality of parallel corrugations of the first series and / or the guidelines of a second plurality of parallel corrugations of the second series, the support leg being centered at a position between the guidelines of two parallel corrugations of the first plurality and / or between the guidelines of two parallel corrugations of the second plurality.
  • the first series of parallel corrugations is perpendicular to the second series of parallel corrugations.
  • the elasticity of the waterproof membrane can be well balanced in different directions.
  • the aforementioned window may have different shapes, in particular depending on the shape of the support foot and / or the shape of the constituent elements of the corrugated metal sheet layer.
  • the window is a quadrilateral, for example rectangle or square or parallelogram, having two sides parallel to the first series of corrugations and two sides parallel to the second series of corrugations.
  • the support foot is disposed at the base of an unloading mast of the tank, for example to support a pump.
  • An idea underlying the invention is to support equipment to be immersed in a tank on a foot bearing directly or indirectly on the support structure, to avoid or limit a force exerted on a relatively fragile corrugated waterproofing membrane.
  • Another idea underlying the invention is to have such a support foot in a way that does not jeopardize the essential mechanical properties of the corrugated waterproofing membrane, including its sealing and resistance to thermal contraction or pressure efforts.
  • Certain aspects of the invention are based on the idea of interrupting undulations of a corrugated waterproofing membrane at a passage area of a support foot, and positioning this support foot at a location which to limit the length of these interruptions, in order to limit the loss of elasticity of the membrane that may result from such interruptions.
  • Other aspects of the invention start from the idea of locally displacing undulations in order to bypass the zone of passage of the support foot without interrupting these undulations.
  • a sealed and thermally insulating tank 1 consisting of tank walls 2 and 3 attached to the inner surface of corresponding walls 4 and 5 of a carrier structure.
  • the supporting structure is for example the inner hull of a double hull ship or a construction on land.
  • the walls of the tank comprise at least one sealing barrier 6 and at least one thermal insulation barrier 7.
  • a secondary sealing barrier not shown, between the supporting structure and the sealing barrier 6, which is called primary in this case.
  • the tank 1 can be made according to various well-known geometries, for example a prismatic geometry in the hull of a ship or a cylindrical geometry on land or other. Moreover, many methods are available to achieve the thermal insulation and sealing barriers, for example from prefabricated elements.
  • an elongate rigid member constituting a support leg 10, which extends through the thermal insulation barrier 7 and the sealing barrier 6, so that one end bears against the bottom wall 5 of the supporting structure and that the other end protrudes into the tank away from the sealing barrier 6.
  • the support leg 10 can for example be used to support a device 9 in front of be immersed in the tank.
  • a device 9 in front of be immersed in the tank.
  • it can be disposed at the base of a pumping mast of the tank, not shown.
  • the support foot is here shown on a bottom wall of the vessel, a similar rigid element can be arranged in the same way at other locations in the vessel, for example as a support or spacing element for maintaining any object remote from the tank wall.
  • sealing barrier 6 it is possible to use sheets of thin metal sheet having corrugations which form elastic zones to absorb the thermal contraction and the static and dynamic pressure forces.
  • Such sealing barriers in corrugated or embossed sheet have been described in particular in FR-A-1379651 , FR-A-1376525 , FR-A-2781557 and FR-A-2861060 . This possibility will now be developed with reference to figures 2 and 3 .
  • the sealing barrier 6 consists of a plurality of corrugated waterproof plates 11 whose inner face is intended to be in contact with the fluid.
  • the sealed plates 11 are thin elements of metal such as stainless steel sheet or aluminum and are welded together at marginal overlap zones 12.
  • the welds are of the overlap weld type whose method is described in detail for example in the FR-A-1387955 .
  • the sealing plates 11 may be designed in various ways as to their shapes and dimensions, so that the weld areas may be variously positioned.
  • the sealed plates 11 comprise, on their internal face, a first series of so-called longitudinal waves 15 and a second series of so-called transverse corrugations 16 whose respective directions are perpendicular.
  • the first series of corrugations 15 has a height less than the second series of corrugations 16.
  • the corrugations 15 are discontinuous at their crossings 18 with the corrugations 16 which are continuous.
  • the longitudinal and transverse corrugations 16 project inwardly from the vessel 1.
  • the support foot 10 has here a circular section of revolution, with a frustoconical lower portion 13 which connects at its smaller diameter end 17 to a cylindrical upper portion 14.
  • the larger diameter base of the portion frustoconical 13 is in abutment against the wall 5 of the carrier structure.
  • the frustoconical portion 13 extends through the thickness of the vessel wall beyond the level of the sealing barrier 6.
  • the cylindrical portion 14 is sealingly closed by a circular plate 19, which may be for example welded to a not shown inner rim of the cylindrical portion 14.
  • the corrugated waterproof plates 11 forming the sealing barrier 6 are cut so as to define a square window 25 around the support foot 10.
  • a tight connection of connecting pieces is made between the support leg 10 and the sealing plates 11.
  • the diameter of the support leg 10 is greater than the spacing between the corrugations of the first series 15 , some of the longitudinal corrugations indicated at 20 and whose guideline A intersects the support foot 10 have been interrupted at the window 25.
  • the diameter of the support leg 10 is greater than the spacing between the of the second series 16
  • some of the transverse corrugations indicated in FIG. 21 and whose guide line B intersects the support foot 10 have been interrupted ues at the window surrounding the support leg.
  • the size of the window 25 is in practice greater than the diameter of the support leg 10, so that the introduction of the connecting pieces is relatively easy.
  • the window 25 formed in the corrugated sheet layer could similarly interrupt corrugations whose guideline, without actually cutting the support foot, would be too close a close proximity of the support foot to allow the establishment connecting pieces between them and the support foot.
  • the center C of the support foot 10 is positioned between the guidelines at interrupted corrugations 20 and between the guidelines B of the interrupted corrugations 21, and more precisely in the middle of these guidelines on the figure 3 .
  • the guide line A or B cuts each time the support foot 10 along a rope shorter than the diameter of the support foot 10. Therefore, and taking into account the space that must exist between the edge of the window 25 and the support foot 10 for allow positioning of the connecting pieces, this positioning of the support foot makes it possible to interrupt each of the undulations 20 and 21 for a shorter distance than in the case where the guideline A or B would cut the support foot according to its most large transverse dimension, that is to say its diameter in the case of a circular section. It is advantageous to interrupt the corrugations of the sealing barrier for as short a distance as possible, since these interruptions are capable of locally reducing the flexibility of the sealing barrier and thus of promoting locally its fatigue and wear. .
  • the centering of the support foot halfway between the interrupted undulations 20 and halfway between the undulating corrugations 21 provides an optimal result.
  • Other forms of section and other foot positions may also be considered.
  • One principle that can be used to adapt each time the positioning of the support foot between the corrugations is to choose a position that minimizes, or at least decreases, the transverse dimension of the support foot that intersects the guideline of the interrupted undulation.
  • an appropriate optimization parameter to adapt the positioning of the support foot may be the length of the longest interruption or cumulative length of interruptions obtained.
  • the window 25 has a square shape which facilitates the cutting of the sealed plates 11 to the desired shape.
  • other forms of windows can also be implemented, depending in particular on the geometry of the support foot.
  • the figure 4 is a half-sectional view of the support foot 10 and a substantially square area of the vessel wall around it at an intermediate stage of mounting. The right part is shown before the establishment of the elements of the secondary sealing barrier and the primary insulation barrier, the left part after the establishment of these elements.
  • the support foot 10 comprises a secondary plate 23 of square shape fixed around the frustoconical portion 13 to a height corresponding to the upper surface of the secondary thermal insulation barrier 22 and the secondary watertight barrier which is very thin.
  • the support foot 10 comprises a round-shaped primary plate 24 fixed around the frustoconical portion 13 at a height corresponding to the upper surface of the primary thermal insulation barrier 26.
  • the trays 23 and 24 can be made in one piece with the support foot 10.
  • the secondary insulation barrier 22 comprises a glass wool pad 27 which also has a square outer contour.
  • the primary insulation barrier 26 comprises a glass wool pad 28 which also has a circular outer contour.
  • a panel 30 generally has a shape of L-shaped steps with an L-shaped lower insulating block 31 constituting a member of the secondary insulating barrier 22, a flexible impervious liner 32 completely covering the upper surface thereof. L-shape of the block 31, and an L-shaped smaller insulator block 33 of smaller size constituting an element of the primary insulation barrier 26.
  • the upper block 33 is aligned with the outer sides of the lower block 31, so as to revealing an area of the waterproof coating 32 located on an inner rim and on end edges of the lower block 31.
  • the panel 30 may be prefabricated by bonding with materials similar to those taught in the application FR-A-2781557 , including polyurethane foam and plywood for insulation barriers and a composite material made of aluminum foil and fiberglass for the secondary waterproofing barrier.
  • the four corner panels 30 border the inside of the contour of the stuffing 27 and the plate 23.
  • the dimensions of the blocks 31 are designed to provide spaces between them in the form of four radial funnels 34 located each time between the faces. end of two adjacent lower blocks 31.
  • each of the chimneys 34 is filled with a sheet of fiberglass 35.
  • the porosity of the glass fiber of the sheets 35 and the stuffing 27 makes possible the circulation of gas to through the primary insulation barrier 22, in particular for inerting the vessel wall with nitrogen.
  • the figure 6 represents the realization of the secondary sealing barrier in the area of the support foot 10 in plan view.
  • four strips 36 of the sealed composite material of aluminum foil and fiberglass are bonded to the secondary plate 27 and the waterproof coating 32 of the panels 30.
  • a strip 36 is positioned at each time so as to overlap one side of the secondary tray 27 and the inner raised edges of two lower blocks 31.
  • the strips 36 overlap at end regions 37.
  • four strips 38 of the sealed composite material of aluminum foil and fiberglass are adhered to the waterproof coating 32 of the panels 30, each time so as to overlap the end flanges of two lower blocks 31.
  • the figure 7 represents the same area of the tank wall after placement of the primary insulation barrier. This is completed between the upper insulating blocks 33 and the support leg 10 by means of four corner blocks 40 and four medial blocks 41, the inner side of which in each case follows the rounded contour of the primary plate 24 and the 28. These blocks 40 and 41 are also shown on the left side of the figure 4 .
  • the upper surface of the medial blocks 41 has in each case a rabbet 44 delimited by a recess 43.
  • the rabbets 44 are precisely at the level of the primary plate 24 to provide a flat support surface for metal closure plates 45 intended to provide the primary sealing barrier around support foot 10.
  • two closure plates 45 are arranged around the primary plate 24 and sealingly welded thereto over its entire periphery.
  • the plates 45 are cut in a semicircle at their inner edge 46, while their outer edge 47 defines a square of dimension slightly greater than the window 25 formed in the corrugated waterproof plates 11.
  • the two closure plates 45 are superimposed at the level of areas 48 where they are welded together.
  • the closure plates 45 are fixed to the blocks 40 and 41 of the primary insulation barrier by means of wood screws or rivets 49 disposed near their outer edge 47 to firmly press the closure plates 45 against these blocks, in particular because it is necessary to prevent them from being raised while being welded on the primary plate 24.
  • the end piece 50 comprises a two-part sole 51 and 52 intended to be welded sealingly respectively on the closure plate 45 and on the sealing plate 11, and a shell 54 intended to be sealed at the end of the corrugation 20 or 21.
  • a recess 53 between the parts 51 and 52 of the soleplate has an amplitude substantially equal to the thickness of the sealed plate 11.
  • the cutting of the insulating blocks and other prefabricated elements represented on the figures 2 , 4 , 6 and 7 to form the secondary insulation barrier, the secondary sealing barrier and the primary insulation barrier is purely illustrative. Similar elements can be cut and prefabricated in other forms so that the mounting of the vessel wall involves a higher or lower number of elementary parts.
  • the four L-shaped corner panels 30 are replaced by two U-shaped panels or a single panel in the form of a square frame.
  • the support foot considered above requires a window size approximately equal to twice the spacing 55 between two corrugations 15 or 16, which are here equidistant. For this, two waves of each series were interrupted.
  • this arrangement of the support foot and the vessel wall in its vicinity may be adapted to other dimensions of the support foot.
  • the corresponding window may interrupt a larger number of corrugations in one or each series, for example three or four or more corrugations.
  • the transverse dimension of the support leg 110 being greater, for example greater than or equal to about three times the spacing 155 between the corrugations 115 or 116, the window 125 formed in the metal membrane corrugated for the passage of the foot 110 interrupts in this case the guidelines of four respective undulations in each series.
  • this embodiment provides for interrupting two 120, respectively 121, of each series as in the previous embodiment, while the other two corrugations 158, respectively 159 of each series are locally offset at a distance from the support leg 110 relative to their original guideline, but not are finally not interrupted.
  • the sealing barrier 106 is modified at two concentric square windows 125 and 160. Outside the window 160, the sealing barrier 106 consists of sealed plates 111 carrying longitudinal corrugations 115 and transverse 116 distributed equidistantly. Between the window 160 and the window 125, the sealing barrier 106 is continued with other corrugated sealing plates, that is to say two generally C-shaped plates 161 in the present case, which carry distributed corrugations. differently, that is to say less spaced in the present case.
  • the corrugations of the plates 161 constitute in particular a central segment 162, respectively 163, offset at a distance from the support leg 110, for each of the corrugations 158, respectively 159.
  • the structure of the sealing barrier 106 at the level of the window 125 and inside of it is similar to the embodiment of the figure 3 .
  • deviation parts 170 are used.
  • the deflection piece 170 comprises a two-part flange 171 and 172 intended to be welded in a sealed manner respectively on a plate 111 or 161 of the sealing barrier 106 and on an adjacent deviating part 170, and a bent corrugation 174 whose the guideline forms a chosen angle, for example 135 °.
  • the bent corrugation 174 is intended to be sealingly connected to the adjacent end of the corrugation 158 or 159 and to the bent undulation of the adjacent deviation piece.
  • a recess 173 between the parts 171 and 172 of the soleplate has an amplitude substantially equal to the thickness of the sheet used to make the sealing plates 111 or 161 or the deflecting parts 170.
  • a sheet of the same thickness is used for these different pieces.
  • all the corrugations whose window interrupts the guideline for example two corrugations of each series as on the figure 3 , are extended through the window in a staggered path, similar to the undulations 158 and 159 of the figure 9 .
  • the flexibility of the membrane can be improved since no ripple is finally interrupted by an end piece at the support leg.
  • the primary sealing barrier is made of sheet metal having two sets of mutually perpendicular corrugations.
  • other types of corrugated metal membranes with less or more corrugations and / or a different arrangement of the corrugations can be similarly employed.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Chemical & Material Sciences (AREA)
  • Ocean & Marine Engineering (AREA)
  • Filling Or Discharging Of Gas Storage Vessels (AREA)
  • Packages (AREA)
  • Building Environments (AREA)
  • Thermal Insulation (AREA)
  • Pressure Vessels And Lids Thereof (AREA)
EP14157675.1A 2010-06-17 2011-05-24 Dichter isolierter Tank, der einen Stützfuß umfasst Active EP2740987B1 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
FR1054822A FR2961580B1 (fr) 2010-06-17 2010-06-17 Cuve etanche et isolante comportant un pied de support
EP11727255.9A EP2583021B1 (de) 2010-06-17 2011-05-24 Versiegeltes und isoliertes gefäss mit einem standfuss
PCT/FR2011/051168 WO2011157915A1 (fr) 2010-06-17 2011-05-24 Cuve etanche et isolante comportant un pied de support

Related Parent Applications (2)

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EP11727255.9A Division-Into EP2583021B1 (de) 2010-06-17 2011-05-24 Versiegeltes und isoliertes gefäss mit einem standfuss
EP11727255.9A Division EP2583021B1 (de) 2010-06-17 2011-05-24 Versiegeltes und isoliertes gefäss mit einem standfuss

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EP2740987A2 true EP2740987A2 (de) 2014-06-11
EP2740987A3 EP2740987A3 (de) 2018-03-21
EP2740987B1 EP2740987B1 (de) 2021-03-24

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JP (2) JP5530030B2 (de)
KR (2) KR101722377B1 (de)
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AU (1) AU2011266930B2 (de)
BR (2) BR112012032016B1 (de)
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FR3009745B1 (fr) * 2013-08-15 2016-01-29 Gaztransp Et Technigaz Cuve etanche et thermiquement isolante comportant une piece d'angle
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KR101523906B1 (ko) * 2013-10-04 2015-06-01 삼성중공업 주식회사 베이스서포트와 화물창 단열방벽 간의 연결구조체
KR101588658B1 (ko) 2013-10-04 2016-01-27 삼성중공업 주식회사 베이스서포트와 화물창 단열방벽 간의 연결구조체
KR101617026B1 (ko) * 2013-12-27 2016-04-29 삼성중공업 주식회사 액화가스 화물창
FR3018338B1 (fr) * 2014-03-04 2016-03-25 Gaztransp Et Technigaz Cuve etanche et isolante comportant un element de deflexion permettant l'ecoulement de gaz au niveau d'un angle
WO2016003214A1 (ko) * 2014-07-04 2016-01-07 대우조선해양 주식회사 액화천연가스 저장탱크 및 액화천연가스 저장 탱크의 단열벽
FR3023257B1 (fr) * 2014-07-04 2017-12-29 Gaztransport Et Technigaz Cuve etanche et isolante disposee dans une double coque flottante
KR101635026B1 (ko) * 2014-08-14 2016-07-01 삼성중공업 주식회사 액화가스 화물창
KR101697821B1 (ko) * 2014-10-21 2017-01-19 현대중공업 주식회사 액체화물 저장탱크 및 이를 구비한 해양구조물
FR3028305A1 (fr) 2014-11-10 2016-05-13 Gaztransport Et Technigaz Dispositif et procede de refroidissement d'un gaz liquefie
FR3035174B1 (fr) * 2015-04-15 2017-04-28 Gaztransport Et Technigaz Cuve equipee d'une paroi presentant une zone singuliere au travers de laquelle passe un element traversant
FR3035175B1 (fr) 2015-04-20 2017-04-28 Gaztransport Et Technigaz Cuve etanche et thermiquement isolante equipee d'un element traversant
KR102114511B1 (ko) * 2015-05-27 2020-05-25 현대중공업 주식회사 펌프타워 지지용 베이스 서포트의 설치구조
FR3038690B1 (fr) * 2015-07-06 2018-01-05 Gaztransport Et Technigaz Cuve etanche et thermiquement isolante ayant une membrane d'etancheite secondaire equipee d'un arrangement d'angle a toles metalliques ondulees
FR3039248B1 (fr) * 2015-07-24 2017-08-18 Gaztransport Et Technigaz Cuve etanche et thermiquement isolante munie d'une piece de renfort
FR3050009B1 (fr) * 2016-04-07 2018-04-27 Gaztransport Et Technigaz Cuve etanche et thermiquement isolante
FR3069903B1 (fr) * 2017-08-07 2019-08-30 Gaztransport Et Technigaz Cuve etanche et themiquement isolante
FR3078135B1 (fr) * 2018-02-20 2021-01-15 Gaztransport Et Technigaz Installation de stockage et de transport d'un fluide cryogenique embarquee sur un navire
FR3080832B1 (fr) * 2018-05-02 2020-10-30 Gaztransport Et Technigaz Cuve etanche et thermiquement isolante equipee d'une tour de chargement/dechargement
FR3081041B1 (fr) 2018-05-11 2021-03-19 Gaztransport Et Technigaz Procede d'assemblage d'une cuve etanche et thermiquement isolante
FR3082916B1 (fr) 2018-06-25 2020-06-19 Gaztransport Et Technigaz Procede d'assemblage d'un dome liquide
FR3083789B1 (fr) 2018-07-13 2020-07-10 Gaztransport Et Technigaz Paroi de cuve comportant une membrane d'etancheite presentant une ondulation ayant une portion curviligne renforcee
FR3094448B1 (fr) * 2019-03-26 2022-06-17 Gaztransport Et Technigaz Cuve étanche et thermiquement isolante
FR3099946B1 (fr) * 2019-08-12 2021-07-09 Gaztransport Et Technigaz Cuve étanche et thermiquement isolante
FR3103534B1 (fr) 2019-11-22 2022-03-25 Gaztransport Et Technigaz Installation pour le stockage d’un gaz liquéfié
FR3114863B1 (fr) * 2020-10-02 2023-01-13 Gaztransport Et Technigaz Procédé d’assemblage et installation de cuve de stockage pour gaz liquéfié
FR3129456A1 (fr) 2021-11-24 2023-05-26 Gaztransport Et Technigaz Cuve étanche et thermiquement isolante
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FR1379651A (fr) 1963-06-27 1964-11-27 Technigaz Dispositif formant élément de paroi souple ou analogue et applications diverses dudit dispositif, en particulier à la construction de réservoirs ou analogues
FR1387955A (fr) 1963-12-17 1965-02-05 Technigaz Procédé d'assemblage par soudure de tôles métalliques ondulées entrant dans la réalisation d'enceintes étanches et souples
FR2781557A1 (fr) 1998-07-24 2000-01-28 Gaz Transport & Technigaz Perfectionnement pour une cuve etanche et thermiquement isolante a panneaux prefabriques
FR2861060A1 (fr) 2003-10-16 2005-04-22 Gaz Transport & Technigaz Structure de paroi etanche et cuve munie d'une telle structure

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KR20140046490A (ko) 2014-04-18
BR122014005768A2 (pt) 2019-08-13
CN103899912B (zh) 2016-03-16
ES2509715T3 (es) 2014-10-17
RU2012154217A (ru) 2014-07-27
TWI510419B (zh) 2015-12-01
EP2583021B1 (de) 2014-07-30
TW201427879A (zh) 2014-07-16
JP5530030B2 (ja) 2014-06-25
JP2013528541A (ja) 2013-07-11
ES2874476T3 (es) 2021-11-05
BR112012032016A2 (pt) 2016-11-08
SG10201400698TA (en) 2014-05-29
TW201206793A (en) 2012-02-16
KR20130081276A (ko) 2013-07-16
BR112012032016B1 (pt) 2020-07-21
RU2662265C2 (ru) 2018-07-25
KR101722377B1 (ko) 2017-04-05
AU2011266930A1 (en) 2013-01-10
AU2011266930B2 (en) 2015-01-29
MY182133A (en) 2021-01-18
RU2526473C1 (ru) 2014-08-20
JP2014141308A (ja) 2014-08-07
EP2583021A1 (de) 2013-04-24
EP2740987A3 (de) 2018-03-21
CN102933888A (zh) 2013-02-13
FR2961580A1 (fr) 2011-12-23
TWI505979B (zh) 2015-11-01
JP5746778B2 (ja) 2015-07-08
KR101512963B1 (ko) 2015-04-17
RU2014112235A (ru) 2015-10-10
CN102933888B (zh) 2014-10-08
FR2961580B1 (fr) 2012-07-13
SG185001A1 (en) 2012-11-29
CN103899912A (zh) 2014-07-02
WO2011157915A1 (fr) 2011-12-22
EP2740987B1 (de) 2021-03-24

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