WO2021028445A1 - Cuve étanche et thermiquement isolante - Google Patents
Cuve étanche et thermiquement isolante Download PDFInfo
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- WO2021028445A1 WO2021028445A1 PCT/EP2020/072541 EP2020072541W WO2021028445A1 WO 2021028445 A1 WO2021028445 A1 WO 2021028445A1 EP 2020072541 W EP2020072541 W EP 2020072541W WO 2021028445 A1 WO2021028445 A1 WO 2021028445A1
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- wall
- tank
- singular
- corrugations
- walls
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Classifications
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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
- 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
-
- 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
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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
- F17C13/004—Details of vessels or of the filling or discharging of vessels for large storage vessels not under pressure
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING
- B63B11/00—Interior subdivision of hulls
- B63B11/04—Constructional features of bunkers, e.g. structural fuel tanks, or ballast tanks, e.g. with elastic walls
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING
- B63B2231/00—Material used for some parts or elements, or for particular purposes
- B63B2231/02—Metallic materials
-
- 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
- F17C2203/0358—Thermal insulations by solid means in form of panels
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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
- F17C2203/00—Vessel construction, in particular walls or details thereof
- F17C2203/06—Materials for walls or layers thereof; Properties or structures of walls or their materials
- F17C2203/0602—Wall structures; Special features thereof
- F17C2203/0612—Wall structures
- F17C2203/0626—Multiple walls
- F17C2203/0631—Three or more 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
- F17C2209/00—Vessel construction, in particular methods of manufacturing
- F17C2209/22—Assembling processes
- F17C2209/221—Welding
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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
- 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
- F17C2260/018—Adapting dimensions
-
- 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 sealed and thermally insulating tanks with membranes, for the storage and / or transport of fluid such as a cryogenic fluid and tanks on board a ship or other floating structure and filled with a liquefied fuel gas to supply a propulsion system of the ship or other floating structure, in particular in a ship propelled by liquefied natural gas.
- Liquefied natural gas or LNG is mainly made up of methane.
- a sealed and thermally insulating tank described in document WO2019030448 for the storage and transport of liquefied natural gas, integrated into a supporting structure, such as the double hull of a ship intended for the transport of liquefied natural gas, for example a LNG carrier.
- the tank comprises a multilayer structure having successively, in the direction of the thickness, from the outside to the inside of the tank, a thermally insulating barrier carried by the supporting structure and a waterproofing membrane intended to be in contact with it. the liquefied natural gas contained in the tank and resting on the insulating barrier.
- the waterproofing membrane consists of a plurality of corrugated sheets of standard dimensions comprising a series of corrugations parallel to each other and thus allowing the waterproofing membrane to deform under the effect of the thermal stresses generated by the fluid stored in the tank.
- the thermally insulating barrier comprises a plurality of juxtaposed insulating panels of standard dimensions. To facilitate the manufacture of the tank, the standard dimensions of the insulation panels are chosen as an integer multiple of a wave step of the corrugations.
- a vessel for transporting liquefied natural gas such as an LNG carrier is sized to accommodate such a tank, but the dimension of the supporting structure is subject to construction tolerances.
- LFS LNG Fueled Ship
- the cargo tanks have a very large capacity, for example of the order of 100,000 to 200,000 m3.
- the capacity is much smaller, for example 5,000 to 25,000 m3 depending on the size of the ship and the length of the journeys to be made.
- An idea underlying the invention is to provide a sealed and thermally insulating tank capable of being integrated into a space of any size, for example in a ship or a floating structure.
- the invention provides a sealed and thermally insulating tank integrated into a supporting structure.
- the supporting structure is polyhedral, said tank comprising a plurality of tank walls including a first wall and a second wall parallel to a first direction of the tank and spaced in a second direction from said tank, the walls of the tank. tank further including two end walls orthogonal to the first direction of the tank and connecting the first wall and the second wall, possibly by means of first intermediate walls arranged between the first wall and the two end walls and / or by means of second intermediate walls arranged between the second wall and the two end walls, each tank wall being carried by a corresponding supporting wall of the supporting structure, each tank wall having a multilayer structure comprising successively, in the direction of the thickness from the outside to the inside of the tank, a thermally insulating barrier retained against the corresponding load-bearing wall and a sealing membrane carried by the barrier thermally insulating, the waterproofing membrane of each of the first wall, of the second wall and of the end walls comprising a series of corrugations parallel to each other and perpendicular to transverse ridges parallel to
- such a sealed and thermally insulating tank may include one or more of the following characteristics.
- the first wall is a bottom wall of the tank.
- the second wall is a ceiling wall of the tank.
- the first direction is a longitudinal direction of the tank.
- the second direction is a vertical direction of the tank.
- the third direction is a transverse direction of the tank.
- the first intermediate walls are lower chamfer walls arranged between the bottom wall and the two end walls.
- the second intermediate walls are upper chamfer walls arranged between the ceiling wall and the two end walls.
- the total number of transverse ridges can be equal to 4, 6 or 8.
- the at least two adjacent corrugations spaced apart by the singular interval are continuously continued at all the transverse ridges except one so as to form an open ring all around the tank.
- the at least two adjacent corrugations spaced apart by the singular interval are continuously continued at all the transverse ridges so as to form a closed ring all around the tank.
- Such a tank is advantageous in that the regular interval makes it possible to simplify the production of the tank while the singular gap makes it possible to adapt the dimension of the tank to the dimensions of the supporting structure, for example a space of the hull d 'a ship.
- the singular interval makes it possible to compensate for the differences in dimensions between the supporting structure and the waterproofing membrane having standard dimensions.
- the tank thus adapts to load-bearing structures, in particular ships or floating structures, having any dimensions with a less complex and less expensive construction.
- the spaces between adjacent corrugations can comprise one or more singular intervals. These singular intervals can be arranged in different ways in the tank.
- the corrugations of each of the first wall, of the second wall and of the end walls, and where appropriate of the intermediate walls form two or more singular intervals separated by at least one regular interval.
- the corrugations of each of the first wall, of the second wall and of the end walls, and optionally of the intermediate walls form two or more consecutive singular intervals.
- consecutive singular intervals is meant that the two or more singular intervals are on either side of the same undulation, that is to say that no regular interval is formed between these singular intervals.
- the singular intervals are arranged symmetrically on either side of a mediating line of said wall.
- the tank comprises at least one special zone comprising for example a third intermediate wall of the tank, a loading and unloading tower, a pump support foot, a gas manifold, a sump and / or a liquid dome, and said or each singular gap is arranged at a distance from said special area greater than or equal to the transverse dimension (ie the dimension in the third direction) of a regular gap.
- said or each singular gap is arranged at a distance from said special area greater than or equal to the transverse dimension (ie the dimension in the third direction) of a regular gap.
- the corrugations of the membrane may present local discontinuities on certain vessel walls when these corrugations pass through or pass near a special zone comprising an obstacle, for example a loading and unloading tower, a pump support foot, a gas manifold, a sump and / or a liquid dome.
- a special zone comprising an obstacle, for example a loading and unloading tower, a pump support foot, a gas manifold, a sump and / or a liquid dome.
- the vessel walls further include two side walls parallel to the first direction and connected, respectively to the first wall or the second wall by two third intermediate walls, and the special zone comprises said third intermediate walls.
- the singular intervals can be sized in different ways. When there are several, the singular intervals may or may not be identical. According to one embodiment, the singular intervals have different dimensions in the third direction. According to one embodiment, the transverse dimension (i.e. the dimension in the third direction) of at least one, in particular each, singular interval is the sum of the transverse dimension of a regular interval and a negative or positive predetermined constant the absolute value of which is less than the dimension of a regular interval, in particular less than half the dimension in the third direction of a regular interval.
- the predetermined constant can be determined based on the remainder of the integer division of a dimension of the supporting structure in the transverse direction by a predetermined integer.
- the predetermined constant is chosen to be greater than a predetermined minimum threshold relating to a construction requirement.
- the regular intervals have a standard transverse dimension known per se.
- At least one, several, some, or each, of the corrugations spaced by a regular interval is continued continuously at the level of substantially all the transverse ridges so as to form an open or closed ring all around the tank in outside the special zone.
- the thermally insulating barrier can be made in different ways.
- the thermally insulating barrier of each of the first wall, of the second wall and of the end walls and, where appropriate, of the first and second intermediate walls comprises: rows of insulating panels oriented perpendicular to the transverse ridges and juxtaposed in a repeated pattern in the third direction, and to the right of said or each singular interval, at least one row of singular insulating panels having a width different from a width of the repeated pattern .
- the width of the repeated pattern is an integer multiple of the transverse dimension of the regular interval.
- the width of the single insulating panel is less than the width of the repeated pattern.
- the width of the singular insulating panel is a function of the regular interval and the singular interval.
- the sealing membrane of each of the first wall, of the second wall and of the end walls and, where appropriate, of the first and second intermediate walls is formed by a plurality of rectangular metal sheets having the series of ripples.
- At least one metal sheet comprises a corrugation arranged at the right of a first edge of a row of insulating panels or of a row of single insulating panels and a corrugation arranged at the right of a second opposite edge. at the first edge.
- At least one singular gap is arranged between two corrugations of the same metal sheet.
- said or each singular gap is formed between a first corrugation arranged on a first of said metal sheets adjacent to an edge of said first metal sheet and a second corrugation arranged on a second of said metal sheets adjacent to the first sheet metallic, the second corrugation being adjacent to an edge of the second metal sheet facing said first metal sheet.
- a dimension of the second metal sheet in the third direction is an integer multiple of the regular interval.
- the dimension of a metal sheet may be equal to the dimension of a row of insulation boards in the third direction.
- the edge of the first sheet is a joggled edge forming a part which is uneven with respect to a central portion of said first sheet and configured for welding by covering the first sheet metal on the second sheet metal.
- the singular interval is adjusted by adjusting the distance of the jogged edge from the first undulation adjacent to said jogged edge.
- the welding of the first metal sheet and the second metal sheet is carried out at a distance greater than 50 mm, in particular greater than 100 mm, from the corrugation adjacent to the edge of the second sheet.
- the edge of the first metal sheet and the edge of the second metal sheet are welded to each other at the right of one of said rows of singular insulating panels.
- At least one single insulating panel comprises a metal anchoring strip arranged opposite the first metal sheet and the second metal sheet, and in which the second metal sheet is welded to said metal anchoring strip .
- the first metal sheet comprises a number of corrugations less than or equal to the number of corrugations of the second metal sheet.
- the number of corrugations of the first metal sheet is a function of the difference between the singular interval and the regular interval.
- the number of corrugations of the first metal sheet may be less than the number of corrugations of the second sheet if the transverse dimension of the singular gap is greater than the transverse dimension of the regular gap.
- the number of corrugations of the first metal sheet may be equal to the number of corrugations of the second metal sheet if the transverse dimension of the singular gap is less than the transverse dimension of the regular gap.
- the vessel walls further include two side walls parallel to the first direction and connected respectively to the first wall or the second wall, optionally via two third intermediate walls, and to the walls of end, optionally via two fourth intermediate walls.
- the third intermediate walls are longitudinal chamfer walls of the tank.
- the fourth intermediate walls are vertical chamfer walls of the tank.
- the waterproofing membrane of each of the first wall, of the second wall and of the side walls comprises a series of first additional corrugations parallel to each other and perpendicular to longitudinal ridges parallel to the first direction of the flow.
- tank and formed at the intersections between the first wall or the second wall, the side walls and, where appropriate, the third intermediate walls, and the first additional corrugations are spaced so as to form in the first direction: - a plurality of identical regular intervals, each regular interval being formed between two first adjacent additional undulations, and - at least one singular interval different from the regular interval, and the at least two adjacent first additional corrugations spaced by the singular gap are continuously continued at at least three of said longitudinal ridges, preferably at a number of longitudinal ridges greater than half of a total number of longitudinal edges.
- the total number of longitudinal ridges is equal to 4, 6 or 8.
- the sealing membrane of each of the end walls and of the side walls comprises a series of second additional corrugations parallel to each other and perpendicular to vertical ridges parallel to the second direction of the tank and formed at the sides. intersections between the end walls, the side walls and, if applicable, the fourth intermediate walls, and the second additional corrugations are spaced so as to form in the second direction: - a plurality of identical regular intervals, each regular interval being formed between two second adjacent additional undulations, and - at least one singular interval different from the regular interval, and the at least two adjacent second additional corrugations spaced apart by the singular gap are continuously continued at at least three of said vertical ridges, preferably at a number of vertical ridges greater than half of a total number of vertical edges.
- the total number of longitudinal ridges is equal to 4, 6 or 8.
- Such a tank can be part of an onshore storage installation, for example to store liquefied gas or be installed in a floating, coastal or deep-water structure, in particular an LNG vessel, an LPG transport vessel, a floating unit. storage and regasification unit (FSRU), a floating production and remote storage unit (FPSO) and others.
- FSRU storage and regasification unit
- FPSO floating production and remote storage unit
- a vessel comprising a double hull and such a tank integrated in said double hull as a supporting structure.
- 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 terrestrial storage installation to or from the tank of the vessel. ship.
- the invention also provides a transfer system for a fluid, the system comprising the aforementioned vessel, isolated pipes arranged so as to connect the tank installed in the hull of the vessel to a floating or land storage installation. and a pump for driving a fluid through insulated pipelines from or towards the floating or terrestrial storage facility to or from the vessel of the vessel.
- said tank is configured as a fuel tank for a propulsion system of the ship.
- FIG. 1 is a partial cutaway perspective view of a polyhedral tank integrated into a supporting structure.
- FIG. 2 is a schematic perspective representation of the tank.
- FIG. 3 is an unfolded and cutaway view of one end of the tank and of FIG. 2.
- Figure 4 is a sectional view along the line VI-VI of Figure 2.
- FIG. 5 is a sectional view along the line VII-VII of FIG. 2, according to a first exemplary embodiment.
- FIG. 6 is a sectional view along the line VII-VII of FIG. 2, according to a second exemplary embodiment.
- FIG. 7 is an enlarged view of zone V according to FIG. 5 or FIG. 6.
- Figure 8 is a schematic perspective representation of a ship provided with an LNG propulsion system and a vessel as a fuel tank for the propulsion system.
- FIG. 9 is a schematic representation similar to FIG. 8, showing a variant of the tank as a fuel tank for the propulsion system.
- FIG 10 is a perspective view of the tank of Figures 8 and 9, according to another variant, the tank being taken in the same orientation as in Figures 8 and 9.
- FIG. 11 is a cut-away schematic representation of an LNG vessel tank and of a loading / unloading terminal for this tank.
- FIGS 1 and 2 show a perspective view of a tank 100 for storing liquefied gas, such as liquefied natural gas (LNG).
- LNG liquefied natural gas
- the tank 100 is arranged in a supporting structure which may in particular be formed by or in the hull or the double hull of a ship or of a floating structure.
- the supporting structure has a plurality of supporting walls 102 defining the general shape of the tank 100, usually a blocky shape.
- the tank 100 comprises a plurality of tank walls carried by the supporting structure including: - a ceiling wall 104 and a bottom wall 106 parallel to a longitudinal direction 101 of the tank, - two end walls 108 connecting the bottom wall 106 and the ceiling wall 104, and - two side walls 110 connected on either side to the ceiling wall 104 and the bottom wall 106 by means of the upper longitudinal chamfer walls 114, respectively lower longitudinal chamfer walls 112.
- Each of the bottom wall 106, the ceiling wall 104 and the end walls 108 comprises a sealing membrane intended to be in contact with the product present in the tank 100 and arranged on a thermally insulating barrier not shown on Figures 1-3.
- the waterproofing membrane comprises series of corrugations 118 parallel to each other and perpendicular to transverse ridges 107 formed by the bottom wall 106 or the ceiling wall 104 and the end walls 108.
- the corrugations 118 are spaced apart from each other. in a transverse direction 103 perpendicular to the longitudinal direction 101.
- the spaces between the corrugations comprise a plurality of regular intervals 120 and two singular intervals 122 arranged symmetrically on either side of a mediating line 124 of the bottom wall 106 , the ceiling wall 104 and the end walls 108.
- the dimension of the singular gaps 122 in the transverse direction 103 is different from the dimension of the regular gaps 120 in the transverse direction 103.
- corrugations 118 spaced by the singular gap 122 on the end walls 108 are each continuously extended by a corresponding corrugation of the bottom wall 106 and a corresponding corrugation of the ceiling wall 104.
- the corrugations 118 of the walls of end 108 spaced by the regular interval 120 are each continuously extended outside the corrugations 118 leading to the longitudinal chamfer walls 112 and 114.
- a discontinuity of the corrugations 118 may exist at one or more of the transverse ridges 107.
- the corrugations 118 continuously cross at least three transverse ridges 107.
- a singular gap 122 is formed on either side of the midline 124 of the bottom wall 106.
- two or more singular gaps 122 may be formed on either side of the midline. 124.
- two or more singular intervals 122 may be formed on either side of the midline 124.
- consecutive singular intervals 122 is meant that the two or more singular intervals 122 are on either side of the same undulation, that is to say that no regular interval 120 is formed between these singular intervals 122.
- the one or two or more singular intervals 122 can be formed on one side of the midline 124 of the bottom wall 106.
- the vessel 100 further includes a liquid dome 116 extending through the ceiling wall 104 of the vessel 100 in a height direction 105.
- the liquid dome 116 may contain a loading and unloading tower 69 of the vessel 100.
- the dome liquid 116 is arranged at a distance from the end wall 108 and halfway across the ceiling wall 104 in the transverse direction 103.
- each singular gap 122 is arranged at a distance equal to a regular gap 120 or more. of the liquid dome 116.
- each singular gap 122 is arranged at a distance greater than a regular gap 120 from each of the longitudinal chamfer walls 114 and 112.
- the dimensions in the transverse direction 103 are referred to by the width.
- a width L of the bottom wall 106 and of the ceiling wall 108 is expressed as follows:
- the integer multiple N is chosen such that X is between -po reg / 2 and + po reg / 2.
- the width po reg is chosen according to a construction standard for sealed tanks and can have different values, for example 340 mm or 500 mm.
- the singular interval 122 is dimensioned as follows
- po sing po reg + X / 2 (2) po sing being the width of the singular interval 122.
- Figure 4 is a sectional view along the line VI-VI of Figures 1 and 2 corresponding to a zone of the tank 100 comprising only regular intervals 120.
- Figure 4 shows the bottom wall 106 comprising the thermally insulating barrier 202 arranged on a supporting wall 102 of the supporting structure and is held against the supporting wall 102 by fixing means 204.
- the fixing means 204 can be any type of suitable fixing means such as threaded studs projecting towards the inside of the tank 100.
- the thermally insulating barrier 202 is formed by a plurality of rows of insulating panels 202 1 and 202 2 juxtaposed in the transverse direction 103.
- Each row comprises insulating panels 202 1 and 202 2 juxtaposed in the longitudinal direction 101 for the wall 106 and the ceiling wall 108 and in the direction of height 105 for the end walls 108.
- the bottom wall 106 further comprises the waterproofing membrane 206 carried by a face of the thermally insulating barrier 202 opposite the bearing wall 102 1 .
- the waterproofing membrane 206 comprises a plurality of metal sheets 207 1 and 207 2 each having a substantially rectangular shape.
- the metal sheets 207 are, for example, made of Invar®: that is to say an alloy of iron and nickel, the expansion coefficient of which is typically between 1.2.10 -6 and 2.10 -6 K -1 , or in an iron alloy with a high manganese content, the coefficient of expansion of which is typically of the order of 7.10 -6 K -1 .
- the metal sheets 207 can also be made of stainless steel or aluminum.
- the metal sheets 207 1 and 207 2 are connected to the insulating panels 202 1 and 202 2 by welding the metal sheets 207 1 and 207 2 to anchoring strips 210 provided in the insulating panels 202 1 and 202 2 , for example plates metal extending over part of said insulating panels 202 1 and 202 2 .
- the anchoring strips 210 are arranged in recesses provided in the insulating panels 202 1 and 202 2 and fixed to the insulating panels 202 1 and 202 2 by screws, rivets or staples for example.
- the welding of the metal sheets 207 1 and 207 2 to the anchor strips 210 is carried out by a tack weld.
- the waterproofing membrane 206 comprises the corrugations 118 spaced by the regular interval 120 and is arranged so that a first corrugation 118 is in line with a first edge 212 1 of the row of insulating panels 202 1 and that second corrugation 118 is in line with a second edge 212 2 opposite to the first edge 212 1 .
- the width of the insulation board 202 1 carrying corrugations separated by the regular interval 120 only is an integer multiple of the width po reg . Gaps may exist between the rows of insulation panels 202 1 and 202 2. Preferably, the gaps between the rows of insulation panels 202 1 and 202 2 are negligible. In particular, the interstices between the rows of insulation panels 202 1 and 202 2 can be filled with a heat-insulating lining such as glass wool, rock wool, etc.
- the width of the insulating panel 202 1 is equal to 3060 mm
- the width of the metal sheet 207 1 is equal to 3060 mm
- in reg is equal to 340 mm
- the number M 1 of corrugations 118 of the metal sheet 207 1 is equal to 9.
- FIG. 5 corresponds to a zone of the tank 100 comprising a singular gap 122 produced according to a first embodiment.
- the width of the singular interval 122 calculated by equation (2) is greater than the width of the regular interval 120.
- the waterproofing membrane 206 comprises a metal sheet 207 3 comprising the singular gap 122 and is disposed on a row of singular insulating panels 202 3 .
- the width of the single insulating panels 202 3 is different from, in particular less than, the width of the insulating panels 202 1 .
- the width of the single insulating panels 202 3 is calculated as follows:
- L sing po reg x (M 3 -1) + po sing for po sing > po reg
- L sing being the width of the singular insulating panels 202 3
- M 3 being the number of corrugations 118 of the metal sheet 207 3 .
- the metal sheet 207 3 comprises a number M 3 of corrugations 118 less than the number M 1 of corrugations 118 of the metal sheet 207 1 when the width of the singular gap 122 is greater than the width of the gap regular 120.
- the width of the singular insulating panels 202 3 is less than the width of the insulating panels 202 1 to limit the impact of the structural modifications of the tank 100.
- FIG. 6 corresponds to a zone of the tank 100 comprising a singular gap 122 produced according to a second embodiment.
- the width of the singular interval 122 calculated by equation (2) is less than the width of the regular interval 120.
- the waterproofing membrane 206 in this case comprises a metal sheet 207 4 comprising the singular gap 122 and arranged on a row of singular insulating panels 202 4 .
- the width of the single insulating panels 202 4 is calculated as follows:
- the number M 3 of corrugations 118 is equal to the number M 1 of corrugations 118 of the metal sheet 207 1 .
- the width of the singular gap 122 being less than the width of the regular gap 120, the width of the singular insulating panels 202 4 remains less than the width of the insulating panels 202 1 .
- the rows of single insulating panels 202 3 and 202 4 are arranged adjacent to a row of insulating panels 202 1 .
- the rows of individual insulating panels 202 3 and 202 4 are separated from one another by at least one row of insulating panels 202 1 .
- the ceiling wall 104 and the end walls 108 although not shown in the figures, include the same elements as the bottom wall 106 shown in Figures 4 to 6.
- the singular gap 122 is formed between two adjacent metal sheets 302 and 304 of the sealing membrane 206, as shown in Figure 7.
- the singular gap 122 is formed between a first corrugation 118 1 arranged on the side of a first edge 306 of the first metal sheet 302 and a second corrugation 118 2 arranged on the side of a second edge 308 of the second metal sheet 304.
- the first edge 306 is a joggled edge having a folding of the first metal sheet 302 to form a drop of the edge 306 relative to the first metal sheet 302 greater than the thickness of the second metal sheet 304.
- This arrangement allows an overlap of the second metal sheet 304 by the first metal sheet 302 at a distance 310 from the first corrugation 118 1 and at a distance 312 from the second corrugation 118 2 .
- the singular interval 122 is the sum of the two distances 312 and 310.
- the metal sheets 302 and 308 are supplied with standard dimensions, for example the distance 312 is half of the regular interval 120.
- the bending of the metal sheet 302 allows its width to be modified to adjust the distance 310 and therefore the width of the singular gap 122 to the desired value without modifying the second metal sheet 304. This arrangement makes it possible to simplify the cost and the realization of the tank 100 for ships with any dimensions.
- the first metal sheet 302 and the second metal sheet 304 are assembled by welding the first edge 306 to the second edge 308 to the right of a row of single insulating panels 202 3 or 202 4 .
- the second edge 308 can be welded to the anchor strip 210 of a row of single insulating panels 202 3 or 202 4 .
- the welding of metal sheets 302 and 304 is preferably carried out by tack welding.
- the distance 310 and the distance 312 are greater than a predetermined threshold to avoid damaging the corrugations 118 1 or 118 2 by the welding of the metal sheets 302 and 304, for example this predetermined threshold is equal to 100 mm.
- the singular gaps 122 have identical dimensions in the transverse direction 103. However, alternatively, the singular gaps 122 may have different dimensions in the transverse direction 103.
- each of the tank walls may include a second thermally insulating barrier arranged between the thermally insulating barrier 202 and the supporting structure and a second sealing membrane between the thermally insulating barrier 202 and the second thermally insulating barrier.
- the waterproofing membrane 206 may further include a second series of corrugations perpendicular to the first series of corrugations 118.
- the longitudinal chamfer walls 112 and 114 and the side walls 110 may include a multi-layered structure comprising in the direction of the thickness starting from the supporting structure towards the inside of the tank 100: a secondary thermally insulating barrier, a secondary waterproofing membrane, a primary thermally insulating barrier and a primary waterproofing membrane.
- the longitudinal direction 101 of the tank may correspond to the longitudinal direction of the ship, in particular of an LNG vessel, in which the tank 100 is installed, but this is not mandatory.
- FIG. 8 represents an embodiment in which the longitudinal direction of the tank 100 corresponds to the width direction of the vessel 170 in which the tank is installed.
- the transverse ridges 107 of the vessel extend parallel to a longitudinal axis A-A of the vessel 170 and the singular gap (s) 122 are formed between corrugations 118 which extend perpendicular to the longitudinal axis A-A of the vessel 170.
- the vessel geometry may include upper chamfer walls 114 and lower chamfer walls 112 as in Figures 1 to 3, or only upper chamfer walls 114 or only lower chamfer walls 112 or no chamfer walls 112. chamfer as shown in figure 8.
- the geometry of the vessel may comprise longitudinal chamfer walls oriented parallel to the longitudinal direction 101 of the vessel as illustrated in FIGS. 1 to 3 or, conversely, it may comprise chamfer walls transverse to the corrugations 118, oriented obliquely to the longitudinal direction 101 of the tank and arranged between the end walls 108 and the ceiling wall 104 and / or bottom wall 106.
- the chamfer walls transverse to the corrugations 118 are not shown in Figures 2 and 3 but may be easily designed from Figure 2, if one mentally rotates 90 ° the orientation of corrugations 118 and arrow 101 about a vertical axis.
- the vessel 100 of FIG. 8 could have upper chamfer walls and / or lower chamfer walls parallel to the longitudinal axis AA of the vessel 170, therefore chamfer walls transverse to the corrugations 118, so that the total number of transverse edges 107 would be greater than four, for example equal to six or eight.
- the corrugations 118 spaced by the or each singular gap 122 cross continuously at least half of the transverse ridges 107, preferably all the transverse ridges 107, except possibly only one.
- a discontinuity of the corrugations 118 may exist at one or more of the transverse edges 107, but preferably at only one of the transverse edges 107 or none.
- FIG. 8 finally illustrates that the tank 100 can be a fuel tank for a propulsion system 65 supplied with combustible gas from the tank 100 by a supply device 66 known elsewhere.
- the vessel 170 can have various applications: transporting passengers, transporting goods, in particular in containers or in bulk, etc.
- FIG. 9 is a schematic representation similar to FIG. 8, showing a variant of the tank 100.
- the waterproofing membrane 206 may further comprise second corrugations perpendicular to the corrugations 118.
- second corrugations 138 In FIG. 9, two of these second corrugations 138 have been shown.
- the number 127 denotes the longitudinal ridges formed by the bottom wall 106 or the ceiling wall 104 and the side walls 110, which are therefore transverse to the second corrugations 138
- the second corrugations 138 extend perpendicular to the corrugations 118 and therefore parallel to the transverse direction 103.
- the second corrugations 138 are spaced from each other in the longitudinal direction 101.
- the spaces between the second corrugations 138 comprise a plurality of regular intervals (not shown) and one or more singular intervals 142 (only one of which is shown in Figure 9).
- the dimension of the singular gap (s) 142 in the longitudinal direction 101 is different from the dimension of the regular gaps in the longitudinal direction 101.
- the second corrugations 138 spaced by the singular gap 142 on the side walls 110 are each continuously extended by a second corresponding corrugation of the bottom wall 106 and a second corresponding corrugation of the ceiling wall 104.
- the second corrugations 138 spaced by the or each singular interval 142 cross continuously at least half of the longitudinal ridges 127, preferably all the longitudinal ridges 127, except possibly only one.
- a discontinuity of the second corrugations 138 may exist at one or more of the longitudinal ridges 127, but preferably at only one of the longitudinal ridges 127 or none.
- the singular interval (s) 142 may or may not be produced in a manner analogous to the singular intervals 122 already described.
- the singular intervals 142 may or may not have a dimension transverse to the second corrugations 138, that is to say parallel to the longitudinal direction 101, equal to the transverse dimension of the singular intervals 122.
- the singular intervals 142 may present dimensions transverse to the second corrugations 138 which are identical to each other or else different.
- Figure 10 shows another embodiment of the vessel 100, taken in the same orientation as in Figure 9.
- the side walls 110 and the end walls 108 have horizontal corrugations 158 parallel to each other. they are spaced in the vertical direction 105. Only two of these horizontal corrugations 158 are shown in Fig. 9.
- the numeral 147 denotes the vertical ridges formed by the side walls 110 and the end walls 108.
- the horizontal corrugations 158 are spaced apart in the vertical direction 105. Analogously to the corrugations 118, the spaces between the horizontal corrugations 158 include a plurality of regular intervals (not shown) and one or more singular intervals 162 (only one of which is shown). in figure 10). The dimension of the singular gap (s) 162 in the vertical direction 105 is different from the dimension of the regular gaps in the vertical direction 105.
- the horizontal corrugations 158 spaced by the singular gap 162 continuously cross at least half of the vertical ridges 147, preferably all of the vertical ridges 147, except possibly only one.
- a discontinuity of the horizontal corrugations 158 may exist at one or more of the vertical edges 147, but preferably at only one of the vertical edges 147 or none.
- the singular interval (s) 162 may or may not be produced in a manner analogous to the singular intervals 142 and 122 already described.
- the singular intervals 162 may or may not have a dimension transverse to the horizontal undulations 158, that is to say parallel to the vertical direction 105, equal to the transverse dimension of the singular intervals 142 and / or 122.
- the singular intervals 162 may have dimensions transverse to the second corrugations 158 which are identical to each other or else different.
- the tank geometry may optionally have vertical chamfer walls, oriented parallel to the vertical direction 105 of the tank, and arranged between the side walls 110 and the end walls 108.
- the Vertical ridges 147 are then formed by the vertical chamfer walls, the side walls 110 and the end walls 108.
- the horizontal corrugations 158 continuously cross at least half of these vertical ridges 147, preferably all the ridges. vertical 147, except possibly only one.
- the technique described above for producing a sealed and thermally insulating tank for storing a fluid can also be used in different types of tanks, for example to constitute a tank for liquefied natural gas (LNG) in a land installation or in a floating structure such as an LNG or other vessel, for example any vessel propelled by LNG.
- LNG liquefied natural gas
- a cutaway view of an LNG carrier 70 shows a sealed and insulated tank 71 of generally prismatic shape mounted in the double hull 72 of the ship.
- loading / unloading pipes 73 arranged on the upper deck of the ship can be connected, by means of suitable connectors, to a maritime or port terminal for transferring a cargo of LNG from or to the tank 71.
- FIG. 11 represents an example of a maritime 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 mobile arm 74.
- the mobile arm 74 carries a bundle of insulated flexible pipes 79 which can be connected to the loading / unloading pipes 73.
- the mobile swivel arm 74 adapts to all sizes of LNG carriers .
- a connecting pipe, not shown, extends inside the tower 78.
- the loading and unloading station 75 allows the loading and unloading of the LNG carrier 70 from or to the onshore installation 77.
- the latter comprises liquefied gas storage tanks 80 and connecting pipes 81 connected by the underwater pipe 76 to the loading or unloading station 75.
- the underwater pipe 76 allows the transfer of the liquefied gas between the loading or unloading station 75 and the shore installation 77 over a great distance, for example 5 km, which makes it possible to keep the LNG carrier 70 at a great distance from the coast during loading and unloading operations.
- pumps on board the ship 70 and / or pumps fitted to the shore installation 77 and / or pumps fitted to the loading and unloading station 75 are used.
- a fairly similar installation can be used to refuel an LNG powered vessel.
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Abstract
Description
chaque paroi de cuve présentant une structure multicouche comportant successivement, dans le sens de l’épaisseur depuis l’extérieur vers l’intérieur de la cuve, une barrière thermiquement isolante retenue contre la paroi porteuse correspondante et une membrane d’étanchéité portée par la barrière thermiquement isolante,
la membrane d'étanchéité de chacune de la première paroi, de la deuxième paroi et des parois d’extrémité comportant une série d'ondulations parallèles entre elles et perpendiculaires à des arêtes transversales parallèles à une troisième direction de la cuve et formées aux intersections entre la première paroi ou la deuxième paroi, les parois d’extrémité et le cas échéant, les parois intermédiaires agencées entre elles, les ondulations parallèles étant espacées de manière à former dans la troisième direction :
- une pluralité d’intervalles réguliers identiques, chaque intervalle régulier étant formé entre deux ondulations adjacentes, et
- au moins un intervalle singulier différent de l’intervalle régulier, et
dans laquelle les au moins deux ondulations adjacentes espacées par l’intervalle singulier sont poursuivies continûment au niveau d’au moins trois desdites arêtes transversales, de préférence au niveau d’un nombre d’arêtes transversales supérieur à la moitié d’un nombre total des arêtes transversales.
des rangées de panneaux isolants orientées perpendiculairement aux arêtes transversales et juxtaposées selon un motif répété dans la troisième direction, et au droit dudit ou de chaque intervalle singulier, au moins une rangée de panneaux isolants singuliers présentant une largeur différente d’une largeur du motif répété.
- une pluralité d’intervalles réguliers identiques, chaque intervalle régulier étant formé entre deux premières ondulations supplémentaires adjacentes, et
- au moins un intervalle singulier différent de l’intervalle régulier, et
les au moins deux premières ondulations supplémentaires adjacentes espacées par l’intervalle singulier sont poursuivies continûment au niveau d’au moins trois desdites arêtes longitudinales, de préférence au niveau d’un nombre d’arêtes longitudinales supérieur à la moitié d’un nombre total des arêtes longitudinales.
- une pluralité d’intervalles réguliers identiques, chaque intervalle régulier étant formé entre deux deuxièmes ondulations supplémentaires adjacentes, et
- au moins un intervalle singulier différent de l’intervalle régulier, et
les au moins deux deuxièmes ondulations supplémentaires adjacentes espacées par l’intervalle singulier sont poursuivies continûment au niveau d’au moins trois desdites arêtes verticales, de préférence au niveau d’un nombre d’arêtes verticales supérieur à la moitié d’un nombre total des arêtes verticales.
- une paroi de plafond 104 et une paroi de fond 106 parallèles à une direction longitudinale 101 de la cuve,
- deux parois d’extrémité 108 reliant la paroi de fond 106 et la paroi de plafond 104, et
- deux parois de côté 110 reliées de part et d’autre à la paroi de plafond 104 et la paroi de fond 106 par l’intermédiaire des parois de chanfrein longitudinales supérieures 114, respectivement des parois de chanfrein longitudinales inférieures 112.
L = poreg x N + X
Avec poreg étant une largeur de l’intervalle régulier 120,
N étant un nombre entier, et
X étant un nombre relatif.
posing = poreg + X/2 (2)
posing étant la largeur de l’intervalle singulier 122.
la largeur du panneau isolant 2021 est égale à 3060 mm,
la largeur de la tôle métallique 2071 est égale à 3060 mm,
poreg est égal à 340 mm, et
le nombre M1 d’ondulations 118 de la tôle métallique 2071 est égal à 9.
Lsing = poreg x (M3-1) + posing pour posing>poreg
Avec Lsing étant la largeur des panneaux isolants singuliers 2023, et
M3 étant le nombre d’ondulations 118 de la tôle métallique 2073.
Pour le nombre M1 d’ondulations 118 de la tôle métallique 2071 égal à 9, le nombre M3 d’ondulations 118 est égal à 8.
Lsing = poreg x (M4-1) + posing pour posing<poreg
Avec M4 étant le nombre d’ondulations 118 de la tôle métallique 2073.
Claims (23)
- Cuve (100) étanche intégrée dans une structure porteuse polyédrique, ladite cuve comportant une pluralité de parois de cuve incluant une première paroi (106) et une deuxième paroi (104) parallèles à une première direction (101) de la dite cuve et espacées dans une deuxième direction (105) de ladite cuve, les parois de cuve incluant en outre deux parois d’extrémité (108) orthogonales à la première direction de la cuve et reliant la première paroi et la deuxième paroi, éventuellement par l’intermédiaire de premières parois intermédiaires agencées entre la première paroi et les deux parois d’extrémité (108) et/ou par l’intermédiaire de deuxièmes parois intermédiaires agencées entre la deuxième paroi et les deux parois d’extrémité (108), chaque paroi de cuve étant portée par une paroi porteuse (102) correspondante de la structure porteuse,
chaque paroi de cuve présentant une structure multicouche comportant successivement, dans le sens de l’épaisseur depuis l’extérieur vers l’intérieur de la cuve, une barrière thermiquement isolante (202) retenue contre la paroi porteuse correspondante et une membrane d’étanchéité (206) portée par la barrière thermiquement isolante,
la membrane d'étanchéité de chacune de la première paroi, de la deuxième paroi et des parois d’extrémité comportant une série d'ondulations (118) parallèles entre elles et perpendiculaires à des arêtes transversales (107) parallèles à une troisième direction (103) de la cuve et formées aux intersections entre la première paroi ou la deuxième paroi, les parois d’extrémité et, le cas échéant, les parois intermédiaires agencées entre elles, les ondulations parallèles étant espacées de manière à former dans la troisième direction :
- une pluralité d’intervalles réguliers (120) identiques, chaque intervalle régulier étant formé entre deux ondulations adjacentes, et
- au moins un intervalle singulier (122) différent de l’intervalle régulier, et
dans laquelle les au moins deux ondulations adjacentes espacées par l’intervalle singulier (122) sont poursuivies continûment au niveau d’au moins trois desdites arêtes transversales (107), de préférence au niveau d’un nombre d’arêtes transversales supérieur à la moitié d’un nombre total des arêtes transversales. - Cuve selon la revendication 1, dans laquelle le nombre total des arêtes transversales (107) est égal à 4, 6 ou 8.
- Cuve selon la revendication 1 ou 2, dans laquelle les au moins deux ondulations adjacentes espacées par l’intervalle singulier sont poursuivies continûment au niveau de toutes les arêtes transversales sauf une de sorte à former un anneau ouvert tout autour de la cuve.
- Cuve selon la revendication 1 ou 2, dans laquelle les au moins deux ondulations adjacentes espacées par l’intervalle singulier sont poursuivies continûment au niveau de toutes les arêtes transversales de sorte à former un anneau fermé tout autour de la cuve.
- Cuve selon l’une quelconque des revendications 1 à 4, dans laquelle les ondulations de chacune de la première paroi, de la deuxième paroi et des parois d’extrémité, et le cas échéant des parois intermédiaires, forment deux intervalles singuliers ou plus séparés par au moins un intervalle régulier ou forment deux ou plus intervalles singuliers consécutifs.
- Cuve selon la revendication 5 ou 6, dans laquelle, pour chacune de la première paroi, de la deuxième paroi et des parois d’extrémité, et le cas échéant des parois intermédiaires, les intervalles singuliers sont agencés symétriquement de part et d'autre d’une ligne médiatrice de ladite paroi.
- Cuve selon l’une quelconque des revendications 1 à 6, dans laquelle les intervalles singuliers présentent des dimensions transversales différentes.
- Cuve selon l’une quelconque des revendications 1 à 7, dans laquelle la dimension transversale d’au moins un, en particulier chaque, intervalle singulier est la somme de la dimension transversale d’un intervalle régulier et une constante prédéterminée négative ou positive dont la valeur absolue est inférieure à la dimension d’un intervalle régulier, en particulier inférieure à la moitié de la dimension d’un intervalle régulier.
- Cuve selon l’une quelconque des revendications 1 à 8, comprenant au moins une zone spéciale et dans laquelle ledit ou chaque intervalle singulier est agencé à une distance de ladite zone spéciale supérieure ou égale à la dimension transversale d’un intervalle régulier.
- Cuve selon la revendication 9, dans laquelle les parois de cuve incluent en outre deux parois de côté (110) parallèles à la première direction (101) et reliées, respectivement à la première paroi ou la deuxième paroi par deux troisièmes parois intermédiaires (112, 114), et dans laquelle la zone spéciale comprend lesdites troisièmes parois intermédiaires.
- Cuve selon l’une quelconque des revendications 1 à 10, dans laquelle la barrière thermiquement isolante de chacune de la première paroi, de la deuxième paroi et des parois d’extrémité, et le cas échéant des premières et deuxièmes parois intermédiaires, comprend :
des rangées de panneaux isolants orientées perpendiculairement aux arêtes transversales et juxtaposées selon un motif répété dans la troisième direction, et au droit dudit ou de chaque intervalle singulier, au moins une rangée de panneaux isolants singuliers présentant une largeur différente d’une largeur du motif répété. - Cuve selon l’une quelconque des revendications 1 à 11, dans laquelle la membrane d’étanchéité de chacune de la première paroi, de la deuxième paroi et des parois d’extrémité, et le cas échéant des premières et deuxièmes parois intermédiaires, est formée par une pluralité de tôles métalliques rectangulaires présentant la série d’ondulations,
et dans laquelle ledit ou chaque intervalle singulier est formé entre une première ondulation agencée sur une première desdites tôles métalliques adjacente à un bord de ladite première tôle métallique et une deuxième ondulation agencée sur une deuxième desdites tôles métalliques adjacente à la première tôle métallique, la deuxième ondulation étant adjacente à un bord de la deuxième tôle métallique tourné vers ladite première tôle métallique. - Cuve selon la revendication 12, dans laquelle le bord de la première tôle est un bord joggliné formant une partie dénivelée par rapport à une portion centrale de ladite première tôle et configuré pour un soudage par recouvrement de la première tôle métallique sur la deuxième tôle métallique.
- Cuve selon l’une quelconque des revendications 12 et 13 prise en combinaison avec la revendication 11, dans laquelle le bord de la première tôle métallique et le bord de la deuxième tôle métallique sont soudés l’un à l’autre au droit d’une desdites rangées de panneaux isolants singuliers.
- Cuve selon la revendication 14, dans laquelle au moins un panneau isolant singulier comprend une bande d’ancrage métallique agencée en regard de la première tôle métallique et de la deuxième tôle métallique, et dans laquelle la deuxième tôle métallique est soudée à ladite bande d’ancrage métallique.
- Cuve selon l’une quelconque des revendications 12 à 15, dans laquelle la première tôle métallique comprend un nombre d’ondulations inférieur ou égal au nombre d’ondulations de la deuxième tôle métallique.
- Cuve selon l’une quelconque des revendications 1 à 16, dans laquelle les parois de cuve incluent en outre deux parois de côté (110) parallèles à la première direction (101) et reliées respectivement à la première paroi (106) ou la deuxième paroi (104), éventuellement par l’intermédiaire de deux troisièmes parois intermédiaires, et aux parois d’extrémité (108), éventuellement par l’intermédiaire de deux quatrièmes parois intermédiaires.
- Cuve selon la revendication 17, dans laquelle la membrane d'étanchéité de chacune de la première paroi (106), de la deuxième paroi (104) et des parois de côté (110) comporte une série de premières ondulations supplémentaires (138) parallèles entre elles et perpendiculaires à des arêtes longitudinales (127) parallèles à la première direction (101) de la cuve et formées aux intersections entre la première paroi (106) ou la deuxième paroi (104), les parois de côté (110) et, le cas échéant, les troisièmes parois intermédiaires, et les premières ondulations supplémentaires (138) sont espacées de manière à former dans la première direction (101) :
- une pluralité d’intervalles réguliers identiques, chaque intervalle régulier étant formé entre deux premières ondulations supplémentaires (138) adjacentes, et
- au moins un intervalle singulier (142) différent de l’intervalle régulier, et
dans laquelle les au moins deux premières ondulations supplémentaires (138) adjacentes espacées par l’intervalle singulier (142) sont poursuivies continûment au niveau d’au moins trois desdites arêtes longitudinales (127), de préférence au niveau d’un nombre d’arêtes longitudinales supérieur à la moitié d’un nombre total des arêtes longitudinales. - Cuve selon la revendication 17 ou 18, dans laquelle la membrane d’étanchéité de chacune des parois d’extrémité (108) et des parois de côté (110) comporte une série de deuxièmes ondulations supplémentaires (158) parallèles entre elles et perpendiculaires à des arêtes verticales (147) parallèles à la deuxième direction (105) de la cuve et formées aux intersections entre les parois d’extrémité (108), les parois de côté (110) et, le cas échéant, les quatrièmes parois intermédiaires, et les deuxièmes ondulations supplémentaires (158) sont espacées de manière à former dans la deuxième direction (105) :
- une pluralité d’intervalles réguliers identiques, chaque intervalle régulier étant formé entre deux deuxièmes ondulations supplémentaires adjacentes, et
- au moins un intervalle singulier (162) différent de l’intervalle régulier, et
dans laquelle les au moins deux deuxièmes ondulations supplémentaires (158) adjacentes espacées par l’intervalle singulier (162) sont poursuivies continûment au niveau d’au moins trois desdites arêtes verticales (147), de préférence au niveau d’un nombre d’arêtes verticales supérieur à la moitié d’un nombre total des arêtes verticales. - Navire (70, 170) comportant une double coque et une cuve (100) selon l’une quelconque des revendications 1 à 19 intégrée dans ladite double coque en tant que structure porteuse.
- Navire (170) selon la revendication 20, dans lequel ladite cuve (100) est configurée comme réservoir de carburant pour un système de propulsion (65) du navire.
- Système de transfert pour un fluide, le système comportant le navire (70, 170) selon la revendication 20 ou 21, des canalisations isolées agencées de manière à relier la cuve (100) installée dans la coque du navire (70, 170) à une installation de stockage flottante ou terrestre et une pompe pour entrainer un fluide à travers les canalisations isolées depuis ou vers l’installation de stockage flottante ou terrestre vers ou depuis la cuve (100) du navire (70, 170).
- Procédé de chargement ou déchargement d’un navire (70, 170) selon la revendication 20 ou 21, dans lequel on achemine un fluide à travers des canalisations isolées depuis ou vers une installation de stockage flottante ou terrestre vers ou depuis la cuve (100) du navire (70, 170).
Priority Applications (3)
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KR1020227008077A KR20220044582A (ko) | 2019-08-12 | 2020-08-11 | 밀봉 및 단열 탱크 |
EP20754752.2A EP4013989A1 (fr) | 2019-08-12 | 2020-08-11 | Cuve étanche et thermiquement isolante |
CN202080062943.0A CN114375379B (zh) | 2019-08-12 | 2020-08-11 | 密封罐、传输系统、船舶及对其装载或卸载的方法 |
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FR1909166A FR3099946B1 (fr) | 2019-08-12 | 2019-08-12 | Cuve étanche et thermiquement isolante |
FRFR1909166 | 2019-08-12 |
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WO2021028445A1 true WO2021028445A1 (fr) | 2021-02-18 |
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PCT/EP2020/072541 WO2021028445A1 (fr) | 2019-08-12 | 2020-08-11 | Cuve étanche et thermiquement isolante |
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EP (1) | EP4013989A1 (fr) |
KR (1) | KR20220044582A (fr) |
CN (1) | CN114375379B (fr) |
FR (1) | FR3099946B1 (fr) |
WO (1) | WO2021028445A1 (fr) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
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WO2021247928A1 (fr) | 2020-06-03 | 2021-12-09 | Informed Data Systems Inc. D/B/A One Drop | Systèmes d'assistance adaptative à des soins de santé, intervention comportementale et procédés associés |
CN115465476A (zh) * | 2022-07-28 | 2022-12-13 | 上海空间推进研究所 | 用于管理推进剂的挤压隔离装置 |
Citations (6)
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JPH07172381A (ja) * | 1993-12-21 | 1995-07-11 | Nkk Corp | メンブレン溶接用拘束治具 |
WO2011157915A1 (fr) * | 2010-06-17 | 2011-12-22 | Gaztransport Et Technigaz | Cuve etanche et isolante comportant un pied de support |
KR20160009744A (ko) * | 2014-07-16 | 2016-01-27 | 삼성중공업 주식회사 | 액화가스 화물창 및 그 제작방법 |
KR20160047054A (ko) * | 2014-10-21 | 2016-05-02 | 현대중공업 주식회사 | 액체화물 저장탱크 및 이를 구비한 해양구조물 |
EP3232112A1 (fr) * | 2016-04-11 | 2017-10-18 | Gaztransport Et Technigaz | Cuve etanche a membranes d'etancheite ondulees |
WO2019030448A1 (fr) | 2017-08-07 | 2019-02-14 | Gaztransport Et Technigaz | Cuve etanche et thermiquement isolante |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR3042253B1 (fr) * | 2015-10-13 | 2018-05-18 | Gaztransport Et Technigaz | Cuve etanche et thermiquement isolante |
-
2019
- 2019-08-12 FR FR1909166A patent/FR3099946B1/fr active Active
-
2020
- 2020-08-11 KR KR1020227008077A patent/KR20220044582A/ko unknown
- 2020-08-11 WO PCT/EP2020/072541 patent/WO2021028445A1/fr active Application Filing
- 2020-08-11 EP EP20754752.2A patent/EP4013989A1/fr active Pending
- 2020-08-11 CN CN202080062943.0A patent/CN114375379B/zh active Active
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH07172381A (ja) * | 1993-12-21 | 1995-07-11 | Nkk Corp | メンブレン溶接用拘束治具 |
WO2011157915A1 (fr) * | 2010-06-17 | 2011-12-22 | Gaztransport Et Technigaz | Cuve etanche et isolante comportant un pied de support |
KR20160009744A (ko) * | 2014-07-16 | 2016-01-27 | 삼성중공업 주식회사 | 액화가스 화물창 및 그 제작방법 |
KR20160047054A (ko) * | 2014-10-21 | 2016-05-02 | 현대중공업 주식회사 | 액체화물 저장탱크 및 이를 구비한 해양구조물 |
EP3232112A1 (fr) * | 2016-04-11 | 2017-10-18 | Gaztransport Et Technigaz | Cuve etanche a membranes d'etancheite ondulees |
WO2019030448A1 (fr) | 2017-08-07 | 2019-02-14 | Gaztransport Et Technigaz | Cuve etanche et thermiquement isolante |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2021247928A1 (fr) | 2020-06-03 | 2021-12-09 | Informed Data Systems Inc. D/B/A One Drop | Systèmes d'assistance adaptative à des soins de santé, intervention comportementale et procédés associés |
CN115465476A (zh) * | 2022-07-28 | 2022-12-13 | 上海空间推进研究所 | 用于管理推进剂的挤压隔离装置 |
Also Published As
Publication number | Publication date |
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CN114375379A (zh) | 2022-04-19 |
FR3099946A1 (fr) | 2021-02-19 |
FR3099946B1 (fr) | 2021-07-09 |
KR20220044582A (ko) | 2022-04-08 |
CN114375379B (zh) | 2023-09-26 |
EP4013989A1 (fr) | 2022-06-22 |
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