WO2021239767A1 - Bloc isolant convenant pour réaliser une paroi isolante dans une cuve de stockage d'un liquide froid - Google Patents
Bloc isolant convenant pour réaliser une paroi isolante dans une cuve de stockage d'un liquide froid Download PDFInfo
- Publication number
- WO2021239767A1 WO2021239767A1 PCT/EP2021/063965 EP2021063965W WO2021239767A1 WO 2021239767 A1 WO2021239767 A1 WO 2021239767A1 EP 2021063965 W EP2021063965 W EP 2021063965W WO 2021239767 A1 WO2021239767 A1 WO 2021239767A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- insulating
- block
- bottom plate
- sides
- stiffener
- Prior art date
Links
Images
Classifications
-
- 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
- F17C3/00—Vessels not under pressure
- F17C3/02—Vessels not under pressure with provision for thermal insulation
- F17C3/025—Bulk storage in barges or on ships
- F17C3/027—Wallpanels for so-called membrane tanks
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING
- B63B73/00—Building or assembling vessels or marine structures, e.g. hulls or offshore platforms
- B63B73/20—Building or assembling prefabricated vessel modules or parts other than hull blocks, e.g. engine rooms, rudders, propellers, superstructures, berths, holds or tanks
-
- 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
- B63B2231/32—Vegetable materials or material comprising predominately vegetable material
- B63B2231/34—Wood or wood products
-
- 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
- B63B2231/40—Synthetic materials
- B63B2231/50—Foamed synthetic 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
-
- 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
- F17C2260/011—Improving strength
-
- 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. More particularly, the invention relates to an insulating block suitable for making an insulating wall in a tank for storing a cold liquid, in particular liquefied gas at low temperature.
- a sealed and thermally insulating tank comprising a tank wall retained on a supporting structure, the tank wall including, in the direction of the thickness from the outside to the inside of the tank, a secondary insulating barrier retained on the supporting structure, a secondary waterproof membrane retained on the secondary insulating barrier, a primary insulating barrier retained on the secondary waterproof membrane and a primary waterproof membrane retained over the primary insulating barrier.
- the secondary insulating barrier is produced by juxtaposing identical insulating blocks. Insulation blocks are made by layering a plywood bottom plate, a block of insulating foam such as polyurethane foam, and a plywood cover plate. The insulating blocks are held in place on the secondary waterproof membrane and on the supporting structure using retainers. The insulating foam block is glued to the bottom plate and the cover plate.
- document WO 2014/096600 A1 proposes to divide the block of insulating foam into two sub-blocks of insulating foam separated from each other by an additional plywood panel.
- this solution tends to make the production of the insulating block more complex.
- the insulating blocks undergo stresses due to the deformation of the structure of the ship at sea when the tank is filled with liquefied gas, or due to stresses exerted by the ship's ballast tanks when the tank is not. filled with liquefied gas while the vessel's ballast tanks are filled in order to maintain the vessel's seaworthiness. These phenomena also tend to flex the block of insulating foam.
- An idea underlying the invention is to provide an insulating block suitable for making a wall of a sealed and thermally insulating tank which makes it possible to limit the bending of the block of insulating foam.
- the invention provides an insulating block suitable for making a wall of a sealed and thermally insulating tank, the insulating block having a parallelepiped shape and comprising: - a bottom plate having a first and a second pair of parallel sides; - a cover plate parallel to the base plate, spaced from the base plate in a direction of thickness of the insulating block and having two grooves, the grooves being parallel to each other and extending in a direction parallel to the first pair sides of the bottom plate, each of the grooves being able to receive a weld support for welding a waterproofing membrane; - a block of thermally insulating foam disposed between the cover plate and the base plate and fixed to the base plate, the foam block having a plurality of side surfaces extending between the base plate and the cover plate and defining a rectangular geometric envelope and a plurality of recesses, each recess extending between two adjacent side surfaces, being intended to receive a retaining member, and the insulating block having a bearing surface for
- surface in free contact means the fact that the surface is in contact with the lateral surface of the block of foam without however being integral with this lateral surface of the block of foam.
- the surface is not glued to the side surface of the foam block.
- the surface is liable to slide slightly on the side surface of the foam block without exerting tensile or shearing stress on the foam block.
- the stiffeners are integral with the bottom plate and extend along the sides of one of the pairs of sides among the first and second pairs of sides of the bottom plate, they tend to limit bending. of the insulating block in one of the direction parallel and the direction perpendicular to that of the grooves receiving the welding supports for the welding of the waterproofing membrane.
- the bending of the waterproofing membrane in this direction is in turn limited.
- this avoids generating stress concentrations in the waterproof membrane where it spans the interface between two successive insulating blocks, in particular when bending in the direction perpendicular to that of the grooves is limited.
- such an insulating block may include one or more of the following characteristics.
- each stiffener comprises a wooden cleat, an upper surface of the cleat which is turned towards the cover plate materializing a said bearing surface.
- the insulating block further comprises a second pair of stiffeners integral with the bottom plate and extending along the sides of the other of the pairs of sides among the first and the second pair of sides. of the bottom plate.
- This second pair of stiffeners integral with the bottom plate tend to limit the bending of the insulating block also in the other among the direction parallel and the direction perpendicular to that of the grooves.
- each stiffener is received in a corresponding recess presented by the block of foam to the right of an upper side of the bottom plate.
- the insulating block comprises a plurality of support elements, preferably made of wood, each support element being received in a recess and held in said recess by a said stiffener, an upper face of the support element which is turned towards the cover plate materializing a said support surface.
- each of the support elements has at least one face in free contact with the foam block.
- face in free contact is understood to mean the fact that the face is in contact with the block of foam without however being integral with the block of foam. In particular, the face is not glued to the foam block. Thus, when the insulation block is flexed, the support members are likely to slide slightly on the foam block rather than deform the foam block.
- the support elements have a height according to the thickness direction of the insulating block of between 20 mm and 250 mm.
- each stiffener comprises a wooden cleat, the cleat having a surface which is in free contact with the foam block.
- each stiffener is fixed to the support element and to the base plate by stapling, screwing, tacking and / or gluing.
- the insulating block further comprises a second pair of stiffeners integral with the bottom plate and extending along the sides of the other of the pairs of sides among the first and second pairs of sides of the base plate. bottom plate, each stiffener of the second pair of stiffeners comprising a wooden cleat, the cleat having a surface which is in free contact with a side surface of the foam block.
- each stiffener has an L-shaped cross section so as to have a first surface in free contact with a lateral surface of the foam block and a second surface held rigidly in contact with the base plate.
- the term “held rigidly in contact with the base plate” is understood to mean the fact that the surface is in contact with the base plate and that this contact is maintained by the effect of a stress exerted on the stiffener, for example by stapling or by screwing it to the bottom plate.
- the foam block has four side surfaces, each of the four side surfaces defining one side of said rectangular geometric envelope, and each recess extending between two adjacent side surfaces so as to be located at a corner of the block. of foam.
- the side surfaces of the foam block comprise three first side surfaces, each of the three first side surfaces defining one side of said rectangular geometric envelope, and two second side surfaces, the two second side surfaces together defining a side of said rectangular geometric envelope, the two second side surfaces being parallel to one side of said one of the first and second pairs of sides of the bottom plate.
- the insulating block further comprises an additional stiffener, the additional stiffener having a greater dimension in a direction perpendicular to the thickness direction of the insulating block, along said one side of the bottom plate, the additional stiffener projecting from the bottom plate in the thickness direction of the insulating block and having a surface in free contact with a said second side surface of the foam block.
- the recess extending between the two second side surfaces receives two said support elements, one held in said recess by a stiffener and the other held in said recess by the additional stiffener.
- the side surfaces of the foam block include two first side surfaces parallel to the sides of the other of the pairs of sides among the first pair and the second pair of sides of the bottom plate, each of the first two surfaces.
- side surfaces defining one side of said rectangular geometric envelope, and three second side surfaces, the three second side surfaces together defining a side of said rectangular geometric envelope, the three second side surfaces being parallel to one side of said one of the pairs of sides among the first and second pairs of sides of the bottom plate.
- the insulating block further comprises two additional stiffeners, said additional stiffeners having a greater dimension in a direction perpendicular to the thickness direction of the insulating block, along said one side of the bottom plate, said Additional stiffeners projecting from the bottom plate in the thickness direction of the insulating block and having a surface in free contact with a said second side surface of the foam block.
- the two recesses each extending between two of the three second lateral surfaces receive two said support elements, one held in said recess by a stiffener and the other held in said recess by an additional stiffener. .
- the invention also provides a sealed and thermally insulating tank comprising a tank wall retained on a supporting structure, the tank wall including, in the direction of the thickness from the outside to the inside of the tank. the tank, a secondary insulating barrier retained on the supporting structure, a secondary waterproof membrane retained on the secondary insulating barrier, a primary insulating barrier retained on the secondary waterproof membrane and a primary waterproof membrane retained on the primary insulating barrier, in which the barrier secondary insulator comprises a plurality of insulating blocks according to any one of the embodiments described above juxtaposed and a plurality of anchoring members, each anchoring member being received in the recesses of adjacent insulating blocks and resting on the bearing surfaces of said adjacent insulating blocks so as to retain said adjacent insulating blocks on the supporting structure, and the secondary waterproof membrane being retained on said insulating blocks by solder supports received in the grooves of said insulating blocks.
- the invention also provides a sealed and thermally insulating tank comprising a tank wall retained on a supporting structure, the tank wall including, in the direction of the thickness from the outside to the inside of the tank. the tank, a secondary insulating barrier retained on the supporting structure, a secondary waterproof membrane retained on the secondary insulating barrier, a primary insulating barrier retained on the secondary waterproof membrane and a primary waterproof membrane retained on the primary insulating barrier, in which the barrier primary insulator comprises a plurality of insulating blocks according to any one of the embodiments described above juxtaposed and a plurality of anchoring members, each anchoring member being received in the recesses of adjacent insulating blocks and based on on the bearing surfaces of said adjacent insulating blocks so as to retain said adjacent insulating blocks on the second waterproof membrane re, and the primary waterproof membrane being retained on said insulating blocks by solder supports received in the grooves of said insulating blocks.
- the invention also provides a vessel for transporting a cold liquid product, the vessel comprising a double hull and a tank described above arranged in the double hull.
- the invention also provides a use of a vessel described above for the loading or unloading of a cold liquid product, in which a cold liquid product is conveyed through insulated pipes from or to a floating or land-based storage facility to or from the vessel's tank.
- the invention also provides a transfer system for a cold liquid product, the system comprising a vessel described above, insulated pipes arranged so as to connect the tank installed in the hull of the vessel to an installation. floating or terrestrial storage facility and a pump for driving a flow of cold liquid product through insulated pipelines from or to the floating or terrestrial storage facility to or from the vessel's tank.
- a secondary insulating barrier for a sealed and thermally insulating tank wall.
- Such a structure can be implemented for large surfaces having various orientations, for example to cover bottom, ceiling and side walls of a tank. The orientation of the is therefore not limiting in this regard.
- the vessel wall is attached to the wall of a supporting structure 1.
- a supporting structure 1.
- the vessel wall comprises a secondary insulating barrier 2 retained on the supporting structure 1 and an omitted waterproof membrane.
- the secondary insulating barrier 2 consists of a plurality of secondary insulating blocks 6 of parallelepiped shape which are juxtaposed, so as to substantially cover the internal surface of the supporting structure 1.
- Figures 2 to 4 show one of these blocks in more detail.
- a secondary insulating block 6 has a bottom plate 12, a cover plate 11 parallel to the bottom plate 12, and a block of thermally insulating foam 13.
- the bottom plate 12 has a first pair of sides 12a parallel to each other and a second pair of sides 12b parallel to each other.
- the bottom plate has a generally generally rectangular shape, that is to say that the sides 12a and 12b are perpendicular to each other.
- the cover plate 11 is parallel to the bottom plate 12 and is spaced from the bottom plate 12 in a thickness direction of the secondary insulating block 6.
- the cover plate 11 has two grooves 14 parallel to each other and extending in a direction parallel to the sides 12a of the bottom plate 12.
- the grooves 14 have a substantially inverted T-shape to accommodate T-shaped weld wings. square.
- the part of the weld wings which protrudes towards the top of the cover plate 11 allows the anchoring of a secondary sealing barrier, not shown.
- the secondary sealing barrier consists of a plurality of strakes.
- the raised edges of each strake are welded to the aforementioned welding wings according to the known technique.
- the strakes are, for example, made of Invar®, that is to say an alloy of iron and nickel, the coefficient of expansion of which is typically between 1.2.10 -6 and 2.10 -6 K -1 .
- the strakes may for example have a thickness of the order of 0.7 mm.
- the strakes can be made of an iron alloy with a high manganese content, the coefficient of expansion of which is typically between 7.10 -6 and 9.10 -6 K -1 .
- the strakes are preferably oriented parallel to the longitudinal direction of the vessel.
- the bottom plate 11 and / or the cover plate 12 can be made of plywood.
- the foam block 13 is arranged between the cover plate 11 and the bottom plate 12.
- the foam block 13 is made of a thermally insulating foam, for example a polyurethane foam, optionally reinforced with glass fibers, for example having a density of the order of, or even greater than, 130 kg.m -3 .
- the foam block 13 has a generally parallelepipedal shape.
- the foam block 13 thus has four side surfaces 13f extending between the bottom plate 12 and the cover plate 11 and defining a rectangular geometric envelope.
- the side surfaces 13f are perpendicular two by two.
- the foam block 13 is fixed to the bottom plate 12 and to the cover plate 11 by gluing.
- the foam block 13 has at each of its corners, that is to say between each pair of adjacent side surfaces 13f, a recess 15.
- the recess 15 is intended to receive a retaining member 30 visible in FIGS. and 5.
- the recess 15 contains a bearing surface 16 for the retainer 30.
- the secondary insulating block 6 further has a pair of stiffeners 20, only one of these stiffeners 20 being visible in Figures 1 and 2.
- Each of the stiffeners 20 extends along one side 12b of the bottom plate 12, and has a larger dimension in a direction perpendicular to the direction of the thickness of the secondary insulating block 6, along said side 12b.
- the stiffeners 20 thus extend in a direction perpendicular to that of the grooves 14.
- the stiffeners 20 limit the deformation in the direction perpendicular to that of the grooves 14, in particular at the edge of the secondary insulating block 6.
- This stiffening at the edge that is to say at the interface between the successively adjacent secondary insulating blocks 6, avoids stress concentrations on the weld flanges which pass through the grooves 14 continuously from one secondary insulating block 6 to the next, spanning these interfaces.
- the stiffeners 20 protrude from the bottom plate 12 in the thickness direction of the secondary insulating block 6, in the direction of the cover plate 11.
- the stiffeners 20 are integral with the bottom plate 12.
- the stiffeners 20 are secured to the bottom plate 12 using screws or clips, which are not shown in the figures so as not to overload the drawing.
- each of the stiffeners 20 has a surface 20f in free contact with a side surface 13f of the foam block 13.
- in free contact is meant that the surface 20f is in contact with the side surface 13f of the foam block 13 without however being integral with the side surface 13f.
- the surface 20f is not glued to the side surface 13f.
- the surface 20f is liable to slide slightly on the side surface 13f without exerting any tensile or shear stress on the foam block 13.
- each of the support surfaces 16 is materialized by a face of a rigid support element 40.
- the support elements 40 are more particularly visible in Figures 1 to 3.
- Each support element 40 is received in a recess 15, and is held in this recess 15 by being fixed, for example by gluing, nailing, screwing or stapling, to the base plate 12 and / or to a stiffener 20.
- the bearing surface 16 is materialized by the upper face of the bearing element 40 which faces towards the cover plate 11.
- Support elements 40 may have a height depending on the direction of the secondary insulating block 6 of between 20 mm and 250 mm.
- Each stiffener 20 may comprise, or preferably consist of, a wooden batten.
- a surface 20f of the wooden cleat is in free contact with the side surface 13f of the foam block 13 as already mentioned above.
- the surface 20f is in free contact or rigidly linked with the support element 40.
- Each stiffener 20 can be fixed to the support elements 40 which it retains in the recesses 15 and to the base plate 12 by stapling, screwing, tacking and / or gluing.
- Each support element 40 can comprise, or preferably consist of, a wooden pillar, having a section sufficient to receive the force of the retaining member 30 without causing the bottom plate 12 to be punched.
- section of the pillar may be rectangular or other, depending on the shape of the retaining member 30. As visible on the figure , the support element 40 has the shape of a non-symmetrical chevron.
- the secondary insulating block 6 comprises a second pair of stiffeners 21. Only one of these stiffeners 21 is visible in Figures 1 and 2.
- Each of the stiffeners 21 extends along one side 12a of the bottom plate 12, and has a larger dimension in a direction perpendicular to the direction of the thickness of the secondary insulating block 6, along said side 12a. The stiffeners 21 thus extend in a direction parallel to that of the grooves 14.
- the stiffeners 22 limit the deformation in the direction parallel to that of the grooves 14, in particular at the edge of the secondary insulating block 6.
- Each stiffener 21 can comprise, or preferably consist of, a wooden batten.
- a surface 21f of the wooden cleat is in free contact with a side surface 13f of the foam block 13.
- the surface 21f is not glued to the side surface 13f.
- the surface 21f is liable to slide slightly on the side surface 13f without exerting any tensile or shear stress on the foam block 13.
- the surface 21f is in free contact or rigidly linked with the support element 40.
- the retainer 30 described here is of the type described in document WO 2014/096600 A1.
- the retainer 30 may have a different construction, as long as it is able to hold the insulating blocks 6 on the supporting structure 1 by resting on the support surfaces 16.
- the retaining member 30 comprises a sleeve 22, the base of which is welded to the supporting structure 1 in a position which corresponds to the recesses 15 of four adjacent secondary insulating blocks 6.
- the sleeve 22 carries a first rod 23 linked thereto by a ball joint.
- the rod 23 passes between the secondary insulating blocks 6 adjacent.
- a fastener is mounted on the rod 23 to clamp the modules 6 against the supporting structure 1 at the level of the free surfaces 21 of the intermediate panel 14.
- the fastener comprises a lower metal plate 24, an upper plate 26 and a block in plywood 25 mounted on the plate 24 so as to serve as a spacer between the plate 24 and the upper plate 26 and to reduce the thermal bridge to the supporting structure 1.
- the height of this arrangement is determined so that the plate upper 26 comes flush with the cover panels 11 to support the secondary membrane.
- the wooden block 25 has a housing 47 in which the upper end of the rod 23 is engaged by passing through a central hole in the lower plate 24.
- the lower plate 24 is retained on the rod 23 by means of a nut 48 with interposition of a plurality of Belleville washers 49 to provide elastic play.
- At least one rigid spacer 29, for example made of wood, can be arranged between the lower metal plate 24 so as to bear on the bearing surfaces 16 of the adjacent secondary insulating blocks 6.
- the spacer 29 can be omitted.
- the support elements 40 can be directly in contact with the lower metal plate 24 at the level of the support surfaces 16.
- a wedge 28 (visible in Figures 1 and 5) can be placed between the supporting structure 1 and the bottom plates 12, the sleeve 22 then being received in a through hole (not shown) that the wedge 28 has.
- the vessel wall may also include a primary insulating barrier (not shown) retained on the secondary waterproof membrane and on which is retained a primary waterproof membrane (not shown) intended to be in contact with the liquefied gas.
- the primary insulating barrier may consist of juxtaposed primary insulating blocks superimposed on the secondary insulating blocks 6 in alignment with the latter.
- a primary part 27 of the retaining members 30 illustrated in Figures 1 and 5 retains the primary insulating blocks on the secondary waterproof membrane.
- the primary insulating blocks may have a similar or different structure from the secondary insulating blocks 6.
- the primary waterproof membrane may have a similar or different structure from the secondary waterproof membrane.
- the elements of the insulating block 106 which are identical to those of the insulating block 6 bear the same references increased by 100.
- the insulating block 106 differs from the insulating block 6 in that the stiffeners 21 are not present.
- the insulating block 106 comprises only a pair of stiffeners 120 extending perpendicular to the grooves 114. Only one of the stiffeners 120 is visible on the picture. .
- Each of the stiffeners 120 is in free contact with a side surface 113f of the foam block 113 and in free contact or rigidly linked with a support element 140.
- the insulating block 106 is otherwise identical to the insulating block 6 and is therefore not described in more detail for the sake of brevity.
- FIGS. 7 to 9 represent an insulating block 206 according to another embodiment.
- the elements of insulating block 206 which are identical to those of insulating block 6 bear the same references increased by 200.
- the insulating block 206 has a pair of stiffeners 250 playing a role similar to that of the stiffeners 20, except that each of the stiffeners 250 materializes two support surfaces 216.
- each of the stiffeners 250 extends along one side 212b of the bottom plate 212, and has a greater dimension in a direction perpendicular to the direction of the thickness of the insulating block 206, along said side 212b.
- the stiffeners 250 thus extend in a direction perpendicular to that of the grooves 214.
- the stiffeners 250 protrude from the bottom plate 212 in the thickness direction of the insulating block 206, towards the cover plate 212.
- the stiffeners 250 are integral with the bottom plate 212.
- the stiffeners 250 are secured to the bottom plate 212 using screws or staples and / or by gluing, which are not shown in Figures 7 to 9 in order not to overload the drawing.
- Each of the stiffeners 250 has a surface 20f in free contact with a side surface 213f of the foam block 213.
- in free contact is meant that the surface is in contact with the side surface 213f of the foam block 213 without however. be integral with the side surface 213f. In particular, the surface is not glued to the side surface 213f.
- the surface is liable to slide slightly on the side surface 213f without exerting any tensile or shear stress on the foam block 213.
- Each stiffener 250 may comprise, or preferably consist of, a wooden cleat.
- a surface of the wooden cleat is in free contact with a side surface 213f of the foam block 213. Further, as can be seen from the figure. , at each of the two ends of the cleat, an upper surface of the cleat which faces towards the cover plate 211 forms a bearing surface 216 for a retaining member 30.
- the insulating block 206 may include a second pair of stiffeners 251. Only one of these stiffeners 251 is visible in Figures 1 and 2. Each of the stiffeners 251 extends along one side 212a of the. bottom plate 212, and has a larger dimension in a direction perpendicular to the direction of the thickness of the insulating block 206, along said side 212b. The stiffeners 251 thus extend in a direction parallel to that of the grooves 214.
- Each stiffener 251 may comprise, or preferably consist of, a wooden batten. A surface of the wooden cleat is in free contact or rigidly bonded with a side surface 213f of the foam block 213.
- the foam block 213 has a pair of recesses 270 and a pair of recesses 271 to the right of an upper side of the bottom plate 212. Only one of the recesses 270 and 271 is visible on the .
- the recesses 270 receive the stiffeners 250 and the recesses 271 receive the stiffeners 251.
- the recess 271 and the stiffener 251 are dimensioned such that the side surface 213f is slightly projecting relative to the stiffener 251, so as to present a play which may be equal to approximately 1 mm.
- the recess 270 and the stiffener 250 are dimensioned such that a side surface 213f projects slightly from the stiffener 250, so as to have a clearance which may be equal to about 1 mm.
- These clearances offer a certain tolerance facilitating the assembly of the insulating block 206 by inserting the foam block 213 in the assembly consisting of the bottom plate and the stiffeners 250 and 251.
- each of the side surfaces 213f is slightly protruding by relative to the stiffener 250, 251 corresponding so as to have the same clearance with respect to the stiffener 250, 251 corresponding.
- the stiffeners 250 and 251 are integral with the base plate 212, for example by means of screws or staples and / or by gluing which are not shown in the figures in order not to overload the drawing.
- the stiffeners 250 and 251 can be secured to each other, for example using staples which are not shown in the figures in order not to overload the drawing.
- stiffeners 251 are provided, that is to say that the stiffeners 250 are absent.
- an upper surface of the cleat of the stiffener 251 which faces towards the cover plate 211 forms a bearing surface 216 for a retainer 30.
- Figures 10 and 11 show an insulating block 306 according to another embodiment.
- the elements of the insulating block 306 which are identical to those of the insulating block 6 bear the same references increased by 300.
- the insulating block 306 has a pair of stiffeners 380 playing a role similar to that of the stiffeners 20 and four support elements 390 playing a role similar to that of the support elements 40.
- the support elements 390 may have a height depending on the direction of the insulating block 306 of between 20 mm and 250 mm.
- each of the stiffeners 380 extends along one side 312b of the bottom plate 312, and has a greater dimension in a direction perpendicular to the direction of the thickness of the insulating block 306, along said side 312b.
- the stiffeners 380 thus extend in a direction perpendicular to that of the grooves 314.
- the stiffeners 380 protrude from the bottom plate 212 in the thickness direction of the insulating block 306, towards the cover plate 312.
- the stiffeners 380 are integral with the bottom plate 312.
- the stiffeners 380 are secured to the bottom plate 312 using screws or staples and / or by gluing, which are not shown in Figures 10 to 12 so as not to overload the drawing.
- each of the stiffeners 380 has an L-shaped cross section so as to have a surface 380f in free contact with a side surface 313f of the foam block 313 and a surface 380g held rigidly in contact with the bottom plate.
- in free contact is meant that the surface 380f is in contact with the lateral surface 213f of the foam block 313 without however being integral with the lateral surface 313f.
- the surface 380f is not glued to the side surface 313f.
- the surface 380f is capable of sliding slightly on the side surface 313f rather than deforming the foam block 313.
- the surface 380g is in contact with the bottom plate 312 and that this contact is maintained by the effect of a stress exerted on the stiffener 380, for example by stapling or by screwing and / or by gluing it here at bottom plate 312.
- Each stiffener 380 has a support member 390 at each of its ends. In addition, as shown in Figures 10 and 11, each support member 390 is held by a stiffener 380 in a recess 316 of the foam block 313.
- Each support member 390 comprises, and preferably consists of, a wooden pillar of which an upper face turned towards the cover plate 313 materializes a bearing surface 316 for an anchoring member 30.
- the faces of the support member 390 in contact with the foam block 313 are in free contact with the foam block 313.
- the insulating block 306 comprises an intermediate plate 395, for example of plywood, and a second block of foam 396 disposed between the cover plate 311 and the intermediate plate 395.
- the block of foam 313 is disposed between the bottom plate 312 and the intermediate plate 396, and fixed, for example glued, to the bottom plate 312 and to the intermediate plate 396.
- the second block of foam 396 is fixed, for example glued, to the base plate cover 311 and to the intermediate plate 395.
- the second foam block 396 has no recess at its corners, which simplifies its manufacture and assembly.
- the second block of foam 396 is noticeably thinner than the block of foam 313, for example about 1/3 the thickness of the block of foam 313.
- the side surfaces 313f of the block of foam 313 are flush with the ends of the intermediate plate. 395.
- the recesses 315 at each corner of the foam block 313 extend throughout the thickness of the foam block 313 in the thickness direction of the insulation block 306 between the bottom plate 312 and the intermediate plate 395.
- the second block of foam 396 is made of a thermally insulating foam, for example a polyurethane foam, optionally reinforced with glass fibers, for example having a density greater than 130 kg.m -3 .
- the thermally insulating foam of the foam block 396 can be identical to that of the foam block 313.
- the second block of foam is shorter than the block of foam 313.
- the two longitudinal ends of the intermediate plate 395 are released and offer a free upper surface 395d in the form of a strip.
- This surface 395d can constitute an additional bearing surface for the retaining members 30.
- the retaining members 30 retain the insulating block 306 on the bearing wall 1 by resting on the bearing surface 316 and on the surface. 395d.
- the intermediate plate 395 and the second foam block 396 can be omitted.
- the foam block 313 then extends over the entire thickness of the insulating block 306 between the bottom plate 312 and the cover plate 311, and is fixed, for example glued, to the bottom plate 312 and to the plate cover 311.
- the recesses 315 at each corner of the foam block 313 extend through the entire thickness of the foam block 313 in the direction of the insulating block 306.
- the insulating blocks 106, 206 and 306 are suitable for producing a secondary insulating barrier on which a secondary waterproof membrane is retained.
- the insulating blocks 106, 206 and 306 can also be used to produce a primary insulating barrier retained on the secondary sealed membrane and on which is retained a primary sealed member intended to be in contact with the liquefied gas.
- insulating blocks 6, 106, 206, 306 have been described having a recess 15, 115, 215, 315 at each of their corners, each recess 15, 115, 215, 315 extending between two adjacent side surfaces 13f, 113f, 213f, 313f, where each side surface is located on one side of the foam block 13, 113, 213, 313.
- one or more recesses in the insulation block may be located other than at the corner of the block. insulating. Two embodiments illustrating this possibility will be described below.
- the elements of the insulating block 406 which are identical to those of the insulating block 6 bear the same reference signs increased by 400.
- the foam block 413 has, at three of its four corners, a recess 415A, and has, on one of its sides in the vicinity of the fourth corner, a recess 415B.
- the recess 415B thus extends between two side surfaces 413f1, 413f2 adjacent and situated on the same side of the foam block 413, while the recesses 415A extend between two side surfaces 413f or 413f1 adjacent and situated on different sides. of foam block 413.
- the insulating block 406 comprises two stiffeners 420A and 420B.
- the stiffeners 420A and 420B extend along one side 412b of the bottom plate 412, and have a greater dimension in a direction perpendicular to the direction of the thickness of the insulating block 406, along said side 412b.
- the stiffeners 420A and 420B thus extend in a direction perpendicular to that of the grooves 14.
- a stiffener identical to one of the stiffeners 20 extends along the other side of the plate. bottom 412 which is parallel to the side 412b visible on the .
- the stiffeners 420A and 420B protrude from the bottom plate 412 in the thickness direction of the insulating block 406, towards the cover plate 411.
- the stiffeners 420A and 420B are integral with the bottom plate 412.
- the stiffeners 420A and 420B are secured to the bottom plate 412 using screws or clips, which are not shown in the figures so as not to overload the drawing.
- the stiffener 420A has a surface in free contact with the side surface 413f2 of the foam block 413
- the stiffener 420B has a surface in free contact with the side surface 413f1 of the foam block 413.
- the expression “in free contact” has the same meaning as that already given above.
- Each of the recesses 415A and 415B is intended to receive a retaining member 30.
- the recess 415A contains a bearing surface 416A for a retainer 30.
- the bearing surface 416A is materialized. by one face of a rigid support element 440A received in the recess 415A while being fixed, for example by gluing, nailing, screwing or stapling, to the bottom plate 412 and / or to the stiffener 420A.
- the faces of the support member 440A facing the walls of the recess 415A are in free contact with the foam block 413.
- the recess 415B contains two bearing surfaces 416B for another retainer 30.
- Each bearing surface 416B is materialized by one face of a rigid support element 440B received in the recess 415B.
- the support elements 415B can be fixed, for example by gluing, nailing, screwing or stapling, to the bottom plate 412 and / or to the stiffeners 420A or 420B.
- the faces of the support member 440B facing the walls of the recess 415B are in free contact with the foam block 413.
- the stiffeners 420A and 420B can each comprise, or preferably be made of, a wooden cleat. Each of the stiffeners 420A and 420B can be attached to the support members 440A or 440B which they retain in the recesses 415A or 415B and to the bottom plate 412 by stapling, screwing, tacking and / or gluing.
- the support elements 440A and 440B can comprise, or preferably consist of, a wooden pillar, having a section sufficient to receive the force of the retaining member 30 without causing the bottom plate 412 to be punched.
- the cross-sectional shape of the pillar may be rectangular or otherwise, depending on the shape of the retainer 30.
- the insulating block 406 comprises a pair of stiffeners identical to the stiffeners 21 and extending along the sides 412a of the bottom plate 412.
- the elements of the insulating block 506 which are identical to those of the insulating block 406 bear the same reference signs increased by 100.
- the insulating block 506 is identical to the insulating block 406 except in that the foam block 513 comprises, on its two opposite sides parallel to the sides 512b of the bottom plate 512: - on a first side visible on the , two recesses 515B identical to the recess 415B. As shown on the , the recesses 515B thus extend between side surfaces 513f1, 513f2 adjacent and situated on the same side of the foam block 513.
- a stiffener 520A similar to the stiffener 420A maintains a support element 516B in the recesses 515B, while two stiffeners 520B each identical to the stiffener 420B maintains another support element 516B in the recesses 515B; - on the second side not visible on the , a recess 515A identical to a recess 415A at one of the corners of the foam block 513, a recess 515B identical to the recess 415B, and two stiffeners (not shown) identical to the stiffeners 420A and 420B.
- the insulating block 506 comprises a pair of stiffeners identical to the stiffeners 21 and extending along the sides 512a of the bottom plate 512.
- the insulating blocks 406 and 506 are suitable for producing a secondary insulating barrier on which a secondary waterproof membrane is retained.
- the insulating blocks 406 and 506 can also be used to produce a primary insulating barrier retained on the secondary sealed membrane and on which is retained a primary sealed member intended to be in contact with the liquefied gas.
- the techniques described above for making a sealed and insulated wall can be used in different types of tanks, for example to form the wall of an LNG tank in an onshore installation or in a floating structure such as an LNG vessel or the like.
- 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.
- the wall of the vessel 71 comprises a primary watertight barrier intended to be in contact with the LNG contained in the vessel, a secondary watertight barrier arranged between the primary watertight barrier and the double hull 72 of the vessel, and two insulating barriers arranged respectively between the vessel. primary watertight barrier and the secondary watertight barrier and between the secondary watertight barrier and the double shell 72.
- 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.
- the shows 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 a movable arm 74 and a tower 78 which supports the movable arm 74.
- the movable arm 74 carries a bundle of insulated flexible pipes 79 which can be connected to the loading / unloading pipes 73.
- the movable arm 74 can be swiveled and 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 installation on land 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.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Ocean & Marine Engineering (AREA)
- Architecture (AREA)
- Structural Engineering (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- General Engineering & Computer Science (AREA)
- Filling Or Discharging Of Gas Storage Vessels (AREA)
- Packages (AREA)
Abstract
Description
- une plaque de fond présentant une première et une deuxième paires de côtés parallèles ;
- une plaque de couvercle parallèle à la plaque de fond, espacée de la plaque de fond dans une direction d’épaisseur du bloc isolant et présentant deux rainures, les rainures étant parallèles entre elles et s’étendant dans une direction parallèle à la première paire de côtés de la plaque de fond, chacune des rainures étant apte à recevoir un support de soudure pour la soudure d’une membrane d’étanchéité ;
- un bloc de mousse thermiquement isolante disposé entre la plaque de couvercle et la plaque de fond et fixé à la plaque de fond, le bloc de mousse présentant une pluralité de surfaces latérales s’étendant entre la plaque de fond et la plaque de couvercle et définissant une enveloppe géométrique rectangulaire et une pluralité d’évidements, chaque évidement s’étendant entre deux surfaces latérales adjacentes, étant destiné à recevoir un organe de retenue,
et le bloc isolant présentant une surface d’appui pour l’organe de retenue dans l’évidement ; et
- une paire de raidisseurs solidaires de la plaque de fond et s’étendant le long des côtés de l’une des paires de côtés parmi la première et la deuxième paires de côtés de la plaque de fond, les raidisseurs présentant une plus grande dimension dans une direction perpendiculaire à la direction d’épaisseur du bloc isolant, le long des côtés de ladite une des paires de côtés, et chaque raidisseur faisant saillie de la plaque de fond dans la direction d’épaisseur du bloc isolant et présentant une surface en contact libre avec une dite surface latérale du bloc de mousse.
- sur un premier côté visible sur la
- sur le deuxième côté non visible sur la
Claims (23)
- Bloc isolant (6 ; 106 ; 206 ; 306 ; 406 ; 506) convenant pour réaliser une paroi d’une cuve étanche et thermiquement isolante, le bloc isolant présentant une forme parallélépipédique et comprenant :
- une plaque de fond (12 ; 112 ; 212 ; 312 ; 412 ; 512) présentant une première et une deuxième paires de côtés parallèles (12a, 12b, 112a, 112b ; 212a, 212b ; 312a, 312b ; 412a, 412b ; 512a, 512b) :
- une plaque de couvercle (11 ; 111 ; 211 ; 311 ; 411 ; 411) parallèle à la plaque de fond, espacée de la plaque de fond dans une direction d’épaisseur du bloc isolant et présentant deux rainures (14 ; 114 ; 214 ; 314 ; 414 ; 514), les rainures étant parallèles entre elles et s’étendant dans une direction parallèle à la première paire de côtés (12a ; 112a ; 212a ; 312a ; 412a ; 512a) de la plaque de fond, chacune des rainures étant apte à recevoir un support de soudure pour la soudure d’une membrane d’étanchéité ;
- un bloc de mousse (13 ; 113 ; 213 ; 313 ; 413 ; 513) thermiquement isolante disposé entre la plaque de couvercle et la plaque de fond et fixé à la plaque de fond, le bloc de mousse présentant une pluralité de surfaces latérales (13f ; 113f ; 213f ; 313f ; 413f, 413f1, 413f2 ; 513f, 513f1, 513f2) s’étendant entre la plaque de fond et la plaque de couvercle et définissant une enveloppe géométrique rectangulaire et une pluralité d’évidements (15 ; 115 ; 215 ; 315 ; 415A, 415B ; 515A, 515B), chaque évidement s’étendant entre deux surfaces latérales adjacentes et étant destiné à recevoir un organe de retenue (30),
et le bloc isolant présentant une surface d’appui (16 ; 116 ; 216 ; 316 ; 416A, 416B ; 516B) pour l’organe de retenue dans l’évidement (15 ; 115 ; 215 ; 315 ; 415A, 415B ; 515A, 515B) ; et
- une paire de raidisseurs (20, 21 ; 120 ; 250, 251 ; 380 ; 420A ; 520A) solidaires de la plaque de fond et s’étendant le long des côtés de l’une des paires de côtés parmi la première et la deuxième paires de côtés (12b, 12a ; 112b, 112a ; 212b, 212a ; 312b, 312a ; 412a, 412b ; 512a, 512b) de la plaque de fond, les raidisseurs présentant une plus grande dimension dans une direction perpendiculaire à la direction d’épaisseur du bloc isolant, le long des côtés de ladite une des paires de côtés, et chaque raidisseur faisant saillie de la plaque de fond dans la direction d’épaisseur du bloc isolant et présentant une surface en contact libre avec une dite surface latérale (13f ; 113f ; 213f ; 313f ; 413f2 ; 513f2) du bloc de mousse. - Bloc isolant (206) selon la revendication 1, dans lequel chaque raidisseur (250) comprend un tasseau en bois, une surface supérieure du tasseau qui est tournée vers la plaque de couvercle (211) matérialisant une dite surface d’appui (216).
- Bloc isolant (206) selon l’une quelconque des revendications1 à 2, comprenant en outre une deuxième paire de raidisseurs (251) solidaires de la plaque de fond et s’étendant le long des côtés de l’autre des paires de côtés (12a ; 112a ; 212a ; 312a) parmi la première paire et la deuxième paire de côtés de la plaque de fond (212).
- Bloc isolant (206) selon l’une quelconque des revendications 1 à 3, dans lequel chaque raidisseur (250, 251) est reçu dans un renfoncement (270, 271) correspondant que présente le bloc de mousse (213) au droit d’un côté supérieur de la plaque de fond (212).
- Bloc isolant (6 ; 106 ; 306 ; 406 ; 506) selon la revendication 1, comprenant une pluralité d’éléments d’appui (40 ; 140 ; 390 ; 440A, 440B ; 540B), de préférence en bois, chaque élément d’appui étant reçu dans un évidement (15 ; 115 ; 315 ; 415A, 415B ; 515B) et maintenu dans ledit évidement par un dit raidisseur (20, 21 ; 250, 251 ; 380 ; 420A ; 520A), une face supérieure de l’élément d’appui (40 ;140 ; 390 ; 440A, 440B ; 540B) qui est tournée vers la plaque de couvercle (11 ; 111 ; 311 ; 411 ; 511) matérialisant une dite surface d’appui (16 ; 116 ; 316 ; 416A, 416B ; 516B).
- Bloc isolant (6 ; 106 ; 306 ; 406 ; 506) selon la revendication 5, dans lequel chacun des éléments d’appui (40 ;140 ; 390 ; 440A, 440B ; 540B) présente au moins une face en contact libre avec le bloc de mousse (13 ; 113 ; 313 ; 413 ; 513).
- Bloc isolant (6 ; 106 ; 306) selon la revendication 5 ou 6, dans lequel les éléments d’appui (40 ; 140 ; 390) présentent une hauteur selon la direction d’épaisseur du bloc isolant (6 ; 106 ; 306) comprise entre 20 mm et 250 mm.
- Bloc isolant (6 ; 106 ; 406 ; 506) selon l’une quelconque des revendications 5 à 7, dans lequel chaque raidisseur (20, 21 ; 120 ; 420A ; 520A) comprend un tasseau en bois, le tasseau présentant une surface qui est en contact libre avec le bloc de mousse (13 ; 113 ; 413 ; 513).
- Bloc isolant (6 ; 106 ; 406 ; 506) selon la revendication 8, dans lequel chaque raidisseur (20, 21 ; 120 ; 420A ; 520A) est fixé à l’élément d’appui (40 ; 140 ; 390 ; 440A, 440B ; 540B) et à la plaque de fond (12 ; 112 ; 212 ; 312 ; 412 ; 512) par agrafage, vissage, pointage et/ou collage.
- Bloc isolant (6) selon la revendication 8 ou 9, comprenant en outre une deuxième paire de raidisseurs (21) solidaires de la plaque de fond (12) et s’étendant le long des côtés de l’autre des paires de côtés (12a) parmi la première et la deuxième paires de côtés de la plaque de fond (12), chaque raidisseur de la deuxième paire de raidisseurs (21) comprenant un tasseau en bois, le tasseau présentant une surface qui est en contact libre avec une surface latérale (13f) du bloc de mousse (13).
- Bloc isolant (306) selon l’une quelconque des revendications 5 à 7, dans lequel chaque raidisseur (380) présente une section transversale en forme de L de façon à présenter une surface (380f) en contact libre avec une surface latérale (313f) du bloc de mousse (313) et une surface (380g) maintenue rigidement en contact avec la plaque de fond (312).
- Bloc isolant (6 ; 106 ; 206 ; 306) selon l’une quelconque des revendications 1 à 11, dans lequel le bloc de mousse (13 ; 113 ; 213 ; 313) présente quatre surfaces latérales (13f ; 113f ; 213f ; 313f), chacune des quatre surfaces latérales définissant un côté de ladite enveloppe géométrique rectangulaire, et chaque évidement s’étendant entre deux surfaces latérales (13f ; 113f ; 213f ; 313f) adjacentes de façon à être situé à un coin du bloc de mousse (13 ; 113 ; 213 ; 313).
- Bloc isolant (406) selon l’une quelconque des revendications 5 à 10, dans lequel les surfaces latérales du bloc de mousse (413) comprennent trois premières surfaces latérales (413f), chacune des trois premières surfaces latérales définissant un côté de ladite enveloppe géométrique rectangulaire, et deux deuxièmes surfaces latérales (413f1, 413f2), les deux deuxièmes surfaces latérales définissant ensemble un côté de ladite enveloppe géométrique rectangulaire, les deux deuxièmes surfaces latérales étant parallèles à un côté (412b) de ladite une des paires de côtés parmi la première et la deuxième paires de côtés de la plaque de fond (412).
- Bloc isolant (406) selon la revendication 13, comportant en outre un raidisseur supplémentaire (420B), le raidisseur supplémentaire (420B) présentant une plus grande dimension dans une direction perpendiculaire à la direction d’épaisseur du bloc isolant (406), le long dudit un côté (412b) de la plaque de fond (412), le raidisseur supplémentaire faisant saillie de la plaque de fond (412) dans la direction d’épaisseur du bloc isolant et présentant une surface en contact libre avec une dite deuxième surface latérale (413f1) du bloc de mousse (413).
- Bloc isolant (406) selon la revendication 14, dans lequel l’évidement (415B) s’étend entre les deux deuxièmes surfaces latérales (413f1, 413f2) reçoit deux dits éléments d’appui (440B), l’un maintenu dans ledit évidement (415B) par un raidisseur (420A) et l’autre maintenu dans ledit évidement par le raidisseur supplémentaire (420B).
- Bloc isolant (506) selon l’une quelconque des revendications 5 à 10, dans lequel les surfaces latérales du bloc de mousse (513) comprennent deux premières surfaces latérales (513f) parallèles aux côtés de l’autre des paires de côtés (512a) parmi la première paire et la deuxième paire de côtés de la plaque de fond (512), chacune des deux premières surfaces latérales définissant un côté de ladite enveloppe géométrique rectangulaire, et trois deuxièmes surfaces latérales (513f1, 513f2), les trois deuxièmes surfaces latérales définissant ensemble un côté de ladite enveloppe géométrique rectangulaire, les trois deuxièmes surfaces latérales (513f1, 513f2) étant parallèles à un côté (512b) de ladite une des paires de côtés parmi la première et la deuxième paires de côtés de la plaque de fond (512).
- Bloc isolant (506) selon la revendication 16, comportant en outre deux raidisseurs supplémentaires (520B), lesdits raidisseurs supplémentaires (520B) présentant une plus grande dimension dans une direction perpendiculaire à la direction d’épaisseur du bloc isolant (506), le long dudit un côté (512b) de la plaque de fond (512), lesdits raidisseurs supplémentaires (520B) faisant saillie de la plaque de fond (512) dans la direction d’épaisseur du bloc isolant et présentant une surface en contact libre avec une dite deuxième surface latérale (513f1) du bloc de mousse (513).
- Bloc isolant (506) selon la revendication 17, dans lequel les deux évidements (515B) s’étendant chacun entre deux des trois deuxièmes surfaces latérales (513f1, 513f2) reçoivent deux dits éléments d’appui (540B), l’un maintenu dans ledit évidement (515B) par un raidisseur (520A) et l’autre maintenu dans ledit évidement par un raidisseur supplémentaire (520B).
- Cuve étanche et thermiquement isolante comportant une paroi de cuve retenue sur une structure porteuse (1), la paroi de cuve incluant, dans le sens de l’épaisseur depuis l’extérieur vers l’intérieur de la cuve, une barrière isolante secondaire retenue sur la structure porteuse (1), une membrane étanche secondaire retenue sur la barrière isolante secondaire, une barrière isolante primaire retenue sur la membrane étanche secondaire et une membrane étanche primaire retenue sur la barrière isolante primaire, dans laquelle la barrière isolante secondaire comprend une pluralité de blocs isolants (6 ; 106 ; 206 ; 306 ; 406 ; 506) selon l’une quelconque des revendications 1 à 18 juxtaposés et une pluralité d’organes d’ancrage (30), chaque organe d’ancrage (30) étant reçu dans les évidements (15 ; 115 ; 215 ; 315 ; 415A, 415B ; 515A, 515B) de blocs isolants adjacents et s’appuyant sur les surfaces d’appui (16 ; 116 ; 216 ; 316 ; 416A, 416B ; 516B) desdits blocs isolants adjacents de façon à retenir lesdits blocs isolants adjacents sur la structure porteuse (1), et la membrane étanche secondaire étant retenue sur lesdits blocs isolants par des supports de soudure reçus dans les rainures (14 ; 114 ; 214 ; 314 ; 414 ; 514) desdits blocs isolants.
- Cuve étanche et thermiquement isolante comportant une paroi de cuve retenue sur une structure porteuse (1), la paroi de cuve incluant, dans le sens de l’épaisseur depuis l’extérieur vers l’intérieur de la cuve, une barrière isolante secondaire retenue sur la structure porteuse (1), une membrane étanche secondaire retenue sur la barrière isolante secondaire, une barrière isolante primaire retenue sur la membrane étanche secondaire et une membrane étanche primaire retenue sur la barrière isolante primaire, dans laquelle la barrière isolante primaire comprend une pluralité de blocs isolants (6 ; 106 ; 206 ; 306 ; 406 ; 506) selon l’une quelconque des revendications 1 à 19 juxtaposés et une pluralité d’organes d’ancrage (30), chaque organe d’ancrage étant reçu dans les évidements (15 ; 115 ; 215 ; 315 ; 415A, 415B ; 515A, 515B) de blocs isolants adjacents et s’appuyant sur les surfaces d’appui (16 ; 116 ; 216 ; 316 ; 416A, 416B ; 516B) desdits blocs isolants adjacents de façon à retenir lesdits blocs isolants adjacents sur la membrane étanche secondaire, et la membrane étanche primaire étant retenue sur lesdits blocs isolants par des supports de soudure reçus dans les rainures (14 ; 114 ; 214 ; 314 ; 414 ; 514) desdits blocs isolants.
- Navire (70) pour le transport d’un produit liquide froid, le navire comportant une double coque (72) et une cuve (71) selon la revendication 19 ou 20 disposée dans la double coque.
- Système de transfert pour un produit liquide froid, le système comprenant un navire (70) selon la revendication 21, des canalisations isolées (73, 79, 76, 81) agencées de manière à relier la cuve (71) installée dans la coque du navire à une installation de stockage flottante ou terrestre (77) et une pompe pour entraîner un flux de produit liquide froid à travers les canalisations isolées depuis ou vers l’installation de stockage flottante ou terrestre vers ou depuis la cuve du navire.
- Utilisation d’un navire (70) selon la revendication 21 pour le chargement ou déchargement d’un produit liquide froid, dans laquelle on achemine un produit liquide froid à travers des canalisations isolées (73, 79, 76, 81) depuis ou vers une installation de stockage flottante ou terrestre (77) vers ou depuis la cuve (71) du navire.
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP21728888.5A EP4158238A1 (fr) | 2020-05-26 | 2021-05-26 | Bloc isolant convenant pour réaliser une paroi isolante dans une cuve de stockage d'un liquide froid |
CN202180038766.7A CN115917206A (zh) | 2020-05-26 | 2021-05-26 | 适合于制作冷液体储存贮罐中的绝缘壁的绝缘块 |
JP2022572480A JP2023527012A (ja) | 2020-05-26 | 2021-05-26 | 冷液貯蔵タンクの断熱壁の作製に適した断熱ブロック |
KR1020227043388A KR20230016189A (ko) | 2020-05-26 | 2021-05-26 | 냉액 저장 탱크의 단열벽을 만들기에 적합한 단열 블록 |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR2005562A FR3110954B1 (fr) | 2020-05-26 | 2020-05-26 | Bloc isolant convenant pour réaliser une paroi isolante dans une cuve de stockage d’un liquide froid |
FRFR2005562 | 2020-05-26 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2021239767A1 true WO2021239767A1 (fr) | 2021-12-02 |
Family
ID=72560736
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/EP2021/063965 WO2021239767A1 (fr) | 2020-05-26 | 2021-05-26 | Bloc isolant convenant pour réaliser une paroi isolante dans une cuve de stockage d'un liquide froid |
Country Status (6)
Country | Link |
---|---|
EP (1) | EP4158238A1 (fr) |
JP (1) | JP2023527012A (fr) |
KR (1) | KR20230016189A (fr) |
CN (1) | CN115917206A (fr) |
FR (1) | FR3110954B1 (fr) |
WO (1) | WO2021239767A1 (fr) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR3135773A1 (fr) | 2022-05-23 | 2023-11-24 | Gaztransport Et Technigaz | Cuve etanche et thermiquement isolante integree dans une structure porteuse |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR3139879A1 (fr) * | 2022-09-19 | 2024-03-22 | Gaztransport Et Technigaz | Procédé de fabrication d’un bloc isolant |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0064886A1 (fr) * | 1981-04-30 | 1982-11-17 | Gaz-Transport | Cuve étanche et thermiquement isolante intégrée à la structure porteuse d'un navire |
WO1989009909A1 (fr) * | 1988-04-08 | 1989-10-19 | Gaz-Transport | Cuve etanche et thermiquement isolante perfectionnee, integree a la structure porteuse d'un navire |
WO2014096600A1 (fr) | 2012-12-21 | 2014-06-26 | Gaztransport Et Technigaz | Cuve etanche et thermiquement isolante |
FR3049678A1 (fr) * | 2016-04-01 | 2017-10-06 | Gaztransport Et Technigaz | Bloc de bordure thermiquement isolant pour la fabrication d'une paroi de cuve |
WO2019239049A1 (fr) * | 2018-06-13 | 2019-12-19 | Gaztransport Et Technigaz | Cuve etanche et thermiquement isolante |
-
2020
- 2020-05-26 FR FR2005562A patent/FR3110954B1/fr active Active
-
2021
- 2021-05-26 CN CN202180038766.7A patent/CN115917206A/zh active Pending
- 2021-05-26 EP EP21728888.5A patent/EP4158238A1/fr active Pending
- 2021-05-26 JP JP2022572480A patent/JP2023527012A/ja active Pending
- 2021-05-26 KR KR1020227043388A patent/KR20230016189A/ko unknown
- 2021-05-26 WO PCT/EP2021/063965 patent/WO2021239767A1/fr unknown
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0064886A1 (fr) * | 1981-04-30 | 1982-11-17 | Gaz-Transport | Cuve étanche et thermiquement isolante intégrée à la structure porteuse d'un navire |
WO1989009909A1 (fr) * | 1988-04-08 | 1989-10-19 | Gaz-Transport | Cuve etanche et thermiquement isolante perfectionnee, integree a la structure porteuse d'un navire |
WO2014096600A1 (fr) | 2012-12-21 | 2014-06-26 | Gaztransport Et Technigaz | Cuve etanche et thermiquement isolante |
FR3049678A1 (fr) * | 2016-04-01 | 2017-10-06 | Gaztransport Et Technigaz | Bloc de bordure thermiquement isolant pour la fabrication d'une paroi de cuve |
WO2019239049A1 (fr) * | 2018-06-13 | 2019-12-19 | Gaztransport Et Technigaz | Cuve etanche et thermiquement isolante |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR3135773A1 (fr) | 2022-05-23 | 2023-11-24 | Gaztransport Et Technigaz | Cuve etanche et thermiquement isolante integree dans une structure porteuse |
WO2023227551A1 (fr) | 2022-05-23 | 2023-11-30 | Gaztransport Et Technigaz | Cuve etanche et thermiquement isolante integree dans une structure porteuse |
Also Published As
Publication number | Publication date |
---|---|
FR3110954A1 (fr) | 2021-12-03 |
KR20230016189A (ko) | 2023-02-01 |
CN115917206A (zh) | 2023-04-04 |
FR3110954B1 (fr) | 2022-06-24 |
EP4158238A1 (fr) | 2023-04-05 |
JP2023527012A (ja) | 2023-06-26 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
EP4108976A1 (fr) | Cuve etanche et thermiquement isolante | |
EP3198186A1 (fr) | Cuve étanche et isolante comportant un élément de pontage entre les panneaux de la barrière isolante secondaire | |
EP2984384A2 (fr) | Structure d'angle d'une cuve etanche et thermiquement isolante de stockage d'un fluide | |
WO2019110894A1 (fr) | Cuve étanche et thermiquement isolante | |
EP3679289B1 (fr) | Cuve étanche et thermiquement isolante à élément de remplissage anti-convectif | |
WO2021239767A1 (fr) | Bloc isolant convenant pour réaliser une paroi isolante dans une cuve de stockage d'un liquide froid | |
FR3110951A1 (fr) | Dispositif d’ancrage destine a retenir des blocs isolants | |
EP3365592B1 (fr) | Cuve comprenant des blocs isolants de coin equipes de fentes de relaxation | |
FR3073600A1 (fr) | Procede de fabrication d'une barriere d'isolation thermique d'une paroi d'une cuve et barriere d'isolation thermique ainsi obtenue | |
WO2018024982A1 (fr) | Structure de paroi etanche | |
EP3596383B1 (fr) | Cuve étanche et thermiquement isolante comportant un bouchon isolant de renfort | |
WO2019162596A1 (fr) | Paroi de cuve etanche comprenant une membrane d'etancheite comportant une zone renforcee | |
WO2022100975A1 (fr) | Procédé de fabrication d'une barrière thermiquement isolante pour une cuve | |
EP3807567A1 (fr) | Cuve etanche et thermiquement isolante | |
FR3073270B1 (fr) | Cuve etanche et thermiquement isolante comportant des dispositifs d'ancrage des panneaux isolants primaires sur des panneaux isolants secondaires | |
FR3116101A1 (fr) | Procédé de fabrication d’une barrière thermiquement isolante pour une cuve | |
WO2021037483A1 (fr) | Cuve étanche et thermiquement isolante à joints isolants anti-convectifs | |
WO2023067026A1 (fr) | Cuve étanche et thermiquement isolante | |
WO2022053320A1 (fr) | Cuve étanche et thermiquement isolante | |
WO2019012237A1 (fr) | Cuve etanche et thermiquement isolante a bande de support incurvee | |
WO2022074226A1 (fr) | Cuve étanche et thermiquement isolante | |
WO2021249952A1 (fr) | Bloc isolant convenant pour le soutien et l'isolation thermique d'une membrane étanche destinée à contenir un fluide | |
EP3526512B1 (fr) | Cuve étanche et thermiquement isolante | |
WO2021074413A1 (fr) | Poutre de raccordement pour une cuve etanche et thermiquement isolante de stockage de gaz liquefie | |
FR3131360A1 (fr) | Installation de stockage pour gaz liquéfié |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
121 | Ep: the epo has been informed by wipo that ep was designated in this application |
Ref document number: 21728888 Country of ref document: EP Kind code of ref document: A1 |
|
ENP | Entry into the national phase |
Ref document number: 2022572480 Country of ref document: JP Kind code of ref document: A |
|
ENP | Entry into the national phase |
Ref document number: 20227043388 Country of ref document: KR Kind code of ref document: A |
|
NENP | Non-entry into the national phase |
Ref country code: DE |
|
ENP | Entry into the national phase |
Ref document number: 2021728888 Country of ref document: EP Effective date: 20230102 |