KR20150143525A - Sealed and insulating tank having a sealing barrier capable locally of sliding relative to the insulating barrier - Google Patents

Abstract

A sealing and thermally insulated tank coupled to a structure containing a bearing wall. The tank includes a tank wall fixed to the bearing wall. The tank wall comprises a sealing barrier (15) consisting of a thermal insulation barrier (13) fixed on the bearing wall and a seat (15) supported by the thermal sealing barrier and sealed together in a fluid- Each of the two right-angled edges of each of the first and second plates has a sliding retaining means (140, 141, 142).

Description

Field of the Invention [0001] The present invention relates to a sealing and an insulating tank having a sealing barrier that can locally slide against an insulating barrier,

The present invention relates to a sealed and thermally insulated tank, and more particularly to a tank for storing cold liquids, for example a tank for storing and / or transporting liquefied gases.

Sealing and thermally insulated tanks are used in a variety of industries to store hot or cold products. For example, in the energy field, Liquefied Natural Gas (LNG) is a liquid that can be stored at about -163 占 폚 under atmospheric pressure in a coastal storage tank or a tank carried on a floating structure.

Such a tank is described, for example, in FR-2691520 or in document 2709726, which is coupled to a support structure and the wall of the tank is resilient to any potential deformation of the wall element supporting the primary sealing barrier and the primary sealing barrier And a wrinkle extending toward the inside of the tank so as to be laterally deformed. The use of corrugated sealing membranes has already been proposed, but in order for the membrane to be flexible during cooling and during the deformation of the proof wall, there must be a strong fastening means in the area where the load on the proof wall acts. It has also been proposed to use discontinuous wrinkles, but in this case each basic configuration of the sealing membrane must have at least four wrinkles and the gap between the two wrinkles is not the same in both directions perpendicular to the wrinkles, which constitutes a serious drawback .

Document EP0064886 describes a tank having a double-sealing and sealing barrier comprising a metal plate welded to have an overlap at the edges. The plate of the primary membrane is coupled to the primary sealing barrier using metal inserts fastened in the primary sealing barrier or otherwise using screws.

According to one embodiment, the present invention provides a sealed and thermally insulated tank coupled to a structure comprising a bearing wall, wherein the tank includes a tank wall secured to the bearing wall,

- Thermal insulation barriers which are fixed to the bearing walls and are composed of insulation blocks juxtaposed in parallel rows spaced apart from each other in a rectangular parallelepiped shape;

A sealing barrier comprising a membrane consisting of a rectangular sheet supported by a thermal insulation barrier and welded together in a fluid-tight manner, and

Each comprising at least two orthogonal corrugations parallel to the thermal insulation block side, supported and fixed on an insulation barrier of an associated thermal insulation barrier, bounded by edges parallel to said orthogonal corrugations, The two include a membrane sheet welded together in fluid sealing manner near its edges,

Each of the two orthogonal edges of the rectangular sheet is secured to at least a portion of its length by securing the rectangular sheet on the block such that the rectangular sheet is pressed against the underlying insulation block And a sliding retining means which is operated in conjunction with the retention means.

According to some embodiments, such tanks may include one or more of the following features.

According to one embodiment, the adjacent sheet of the sealing barrier is a metal plate welded to have overlapping portions.

According to one embodiment, the wall of the tank comprises a primary element on the one hand and a secondary element arranged on the other hand between the bearing wall and the primary element, and each primary and secondary element On the one hand, a thermal insulation barrier consisting of insulation blocks, the insulation blocks comprising a sealing barrier arranged parallel to each other at spaced intervals in a rectangular parallelepiped shape and arranged on the respective thermal insulation barriers on the other , The thermal insulation barrier of the secondary element is fastened to the bearing wall and the thermal insulation barrier of the primary element is fastened to the secondary element of the tank by the attachment means connected to the thermal insulation barrier of the secondary element, So that the element is securely fixed to the secondary element of the tank wall.

According to one embodiment, the insulation block of the thermal insulation barrier includes a plastic foam layer that is trapped between two rigid bodies, the sealing board.

According to one embodiment, the insulation block of the thermal insulation barrier of the secondary element is affixed to or adhered to the attachment wall welded to the proof wall.

According to one embodiment, the corrugations at right angles to the sealing membrane are inserted at intervals formed between the insulation blocks.

According to one embodiment, the sliding means comprises a folded portion of one of the sheets at a right angle, over the thickness of the edge of the strip made straight out of the rigid body of the sealing board region, and the folded region extends in the longitudinal direction of the folded region And is fixed to the thickness surface of the edge by screws arranged in elongated holes to allow the sheet to move a certain distance along the axis of the area that has been extracted from the board.

According to one embodiment, the sliding means comprises, on the one hand, a sliding rail fixed to a recess in the form of a strip of a rigid sealing board, and on the other hand two welded edges of two adjoining welded rectangular sheets And the sliding rail is fastened to the rigid board by a rivet.

According to one embodiment, the sliding means comprises a metal slider slidable in a recess engraved on the thickness side of the rigid sealing board, the two edges of the two adjacent rectangular sheets being welded in a straight line with the slider do.

According to one embodiment, the sliding means comprises a groove formed in the board which is a rigid body perpendicular to the corrugation of the sealing barrier, the groove being fitted in the contour, the contour being aligned with the edge of the board being rigid, And the second rectangular sheet is welded at the edge of the folded portion of the first rectangular sheet so as to have a portion overlapping the first rectangular sheet, do.

According to one embodiment, the sliding means comprises a groove formed in the board which is a rigid body perpendicular to the corrugation of the sealing barrier, the groove being fitted in the contour, the contour being filled in the groove, welded together to form the primary sealing barrier The anchor being welded to the first rectangular sheet and being able to enter into the contour by a resilient snap-fit, and the second rectangular shaped sheet is welded to the first rectangular sheet, The sheet is welded in a substantially straight line with the anchor to have a portion overlapping the first rectangular sheet.

According to one embodiment, the sliding means comprises a groove formed in the board which is a rigid body perpendicular to the corrugation of the sealing barrier, the groove being fitted in the contour, the contour being received in the groove, Wherein the first rectangular sheet includes an anchor ring that is straight with the outline portion and the anchor ring extends into the outline portion in alignment with the tongue, The edges of the first rectangular sheet are snap-fastened by the tongue, and the second rectangular sheet is welded to have a portion overlapping the first rectangular sheet near the contour.

Such tanks may form part of a coastal storage facility, for example, for storing LNG or may be a floating, coastal or offshore structure, in particular a methane tanker, a floating storage and regasification unit (FSRU) ), Floating production, storage and offloading (FPSO), and the like.

The invention also relates to a ship for transporting cold liquid products, comprising a double hull and a tank arranged in a double hull as defined above.

The present invention also provides a method of loading or off-loading such ships, wherein the cold liquid product is transported from a floating or coastal storage facility to a ship's tank via an enclosed pipeline, It is transported to floating or coastal storage facilities through an insulated pipeline.

Also, according to one embodiment, the present invention provides a transfer system for transferring cold liquid product, the system being arranged to connect a floating tank or a shore storage facility with a tank installed in the aforementioned ship, ship hull For transporting the sealed pipelines and cold liquid products from a floating or coastal storage facility to a ship's tank through an insulated pipeline or from a ship's tank through an insulated pipeline to a floating or coastal storage facility Pump.

One concept inherent in the present invention is to provide a membrane-type sealed barrier in which the edges of the membrane sheet are free to move to reduce the stress of the membrane.

BRIEF DESCRIPTION OF THE DRAWINGS The present invention will become better understood with reference to the following detailed description of a number of specific embodiments of the invention given in a non limiting manner only, Will be more clearly understood.

BRIEF DESCRIPTION OF THE DRAWINGS Figure 1 is a schematic perspective view of an assembly of various members constituting a sealing and thermally insulated tank according to the present invention in which the thermal and thermal insulation of the primary and secondary elements of the tank wall, And a cut-out portion for making it visible.
Figure 2 is a schematic view of a cross section through a tank wall according to the invention in which the primary sealing barrier comprises a crease projected away from the bearing wall and the secondary sealing barrier comprises a crease projecting towards the bearing wall.
Fig. 3 is a partial cross-sectional view of the primary sealing block disposed toward the interior of the tank, wherein the cut surface is perpendicular to one of the corrugations of the primary sealing membrane supported by the insulation block, and the plywood board comprises a strip .
Fig. 4 is a sectional view similar to Fig. 3, after the slats are filled with strips, and a part of the board covered with the first plate is welded to a second plate covering the slats.
5 is a cross-sectional view taken on line VV in Fig.
Figure 6 shows a variant from Figures 3 to 5, looking at a cut-away view similar to that of Figure 4, where the two adjacent plates of the sealing barriers are in contact with the primary side of the primary insulation block Quot;
Figure 7 is a cross-sectional view similar to Figure 6, showing a slide way provided in accordance with a variant.
Fig. 8 is a cross-sectional view similar to Fig. 7, in which the slide way slider has a different structure from the slider of the modification of Fig.
Fig. 9 is a cross-sectional view of a grooved primary insulation block made by punching out plywood and a foam panel, with a slide way associated with the two sealing plates disposed within the groove.
9A is a plan view as seen on IX A-IX A in Fig. 9. Fig.
Fig. 10 is a cross-sectional view through the primary insulation block as in Figs. 3 to 9, wherein the plywood board includes grooves completely similar to the previous variant but completely within the thickness range of the plywood, the contour comprising welds of two adjacent sealing plates And is fitted into the groove in a straight line.
10A is a perspective view of a fixed portion of the contour portion inserted into the groove.
11 is a cross-sectional view of a primary insulation block including a torn groove in the manner shown in FIG. 11, wherein the trough is filled with an outline fastened to two adjacent plates, the plate being welded in line with the outline, And between one of the plates and the outline is connected by a ring which cooperates with a tongue arranged inside the outline.
Fig. 12 is a schematic view of a cutout of a tank of a methane tanker and a tank of a terminal for filling the tank.

Referring to the drawings, and more particularly to Figures 1 and 2, it can be seen that a '1' is used to indicate the entire insulation layer of the thermal insulation barrier of the secondary element of the tank wall. This block has a length L and a width l, for example, 3 m and 1 m, respectively, and has a rectangular parallelepiped shape, is made of polyurethane foam, and is sandwiched between two plywood boards 2a and 2b. One of the boards 2a is designed to face the bearing wall 3 with the resin bead 4 therebetween so as to compensate for any local defects of the bearing wall 3. The board 2a is fixed to the bearing wall 3 by means of the stud 9 welded to the bearing wall 3 and the bonding using the resin bead 4.

In Fig. 1, starting from the uncovered secondary securing block shown in the upper left corner of the figure and descending diagonally, it is seen that the part 2 covered by the plate 11 constituting part of the secondary sealing barrier of the tank wall A perspective view showing the car insulating block 1 can be seen. The metal plate 11 is substantially rectangular and has corrugations 12a and 12b, respectively, along two rectilinear symmetry axes. The corrugations 12a and 12b are embossed toward the bearing wall 3 and are received in the gap 10 of the secondary sealing barrier.

The metal plate 11 is made of Invar® and can have a coefficient of thermal expansion generally between 1.5 × 10 ^-6 and 2 × 10 ^-6 K ^-1 and a thickness between about 0.7 mm and 0.4 mm . Two adjacent plates (11) are welded with overlapping portions. According to a preferred embodiment, the metal plate 11 is made of a manganese-based alloy having a thermal expansion coefficient corresponding to 7 x 10 ^-6 K ^-1 . These alloys are generally less expensive than alloys containing large amounts of nickel, such as Invar ®.

Referring again to FIG. 1, when the metal plate 11 of the secondary barrier of the secondary wall of the tank wall is located under the right diagonal line in the area where the metal plate 11 is located, the insulation block 13 of the thermal barrier of the primary element of the tank wall The area covered by the secondary sealing barrier can be seen.

The insulation block 13 has a structure entirely similar to that of the block 1, that is, a structure in which a polyurethane foam is sandwiched between two laminate boards. The lower board 13a is supported on the metal plate 11. [

Finally, FIG. 1 shows the arrangement of the metal plate 15 constituting the sealing barrier of the primary element of the tank as it moves down the right diagonal of the element 13. The plate 15 is made of stainless steel having a thickness of about 1.2 mm and has corrugations arranged along a rectangular symmetry axis which is constituted as mentioned above in the case of the metal plate 11. The pleats may be embossed from the bearing wall 3 and embossed toward the interior of the tank, the pleats being designated '16a' and '16b'. In Fig. 2, the pleats 16a and 16b are viewed toward the interior of the tank.

13 ',' 15 ',' 16a 'and' 16b 'used for indicating part of the primary barrier of the tank in FIGS. 1 and 2 are again used for the explanation corresponding to FIGS. Figures 3 to 11 detail a slide way associated with two adjacent plates of a primary sealing barrier in which the first plate is labeled 15 and the second plate is labeled 15a, 1 and 2 do not appear. 1 and 2, and portions of various modifications not corresponding to those described in the description of Figs. 1 and 2 are denoted by a new code.

Figures 3-5 illustrate the first embodiment of the present invention in detail. 3 shows a partial cross-sectional view of the primary sealing block 13 disposed towards the interior of the tank. This block 13 is composed of a foam panel 130 inserted between two rigid board boards 131. The board 131 includes a region 131a in which strips of plywood are removed at right angles to one of the corrugations 16a, 16b of the primary sealing membrane.

Fig. 3 shows the first step of aligning the metal plate 15 constituting the element of the sealing barrier. This plate 15 is folded along the thickness face of the edge of the board along the strip of plywood removed from the area 131a, and this folded part exists only on one side of the plywood removed area 131a.

When this plate 15 (the folded portion is shown in the left part of FIG. 3) is placed on the plywood board, this installation of the second step is carried out through an elongated hole 132 formed in the folded portion of the plate 15 Is performed using screws 132a, and can be clearly seen in Fig. The screw 132a fixes the plate 15 on the rigid board board 131.

In the installation of the third step, as can be clearly seen in Fig. 4, the slat 133 is added to the strip of the board 131 from which the plywood is removed, and is of a size suitable for filling the region 131a. The plate 15a is placed on a part of the laminate board which has not yet been covered by the slat 133 and the plate 15 and covers the slat 133 and a part of the laminate board which has not yet been covered. Since the edge of the plate 15a is placed on the already placed plate 15 and at the same time it is supported by the slat 133 and the plywood 131 which is not yet covered (corresponding to the right part of Fig. 4) One of the edges of the " Joggling " The two plates 15, 15a are welded together in a fluid sealing manner in the edge region of the grommet to constitute the primary sealing barriers of the tank. Fig. 4 corresponds to enlargement of the region IV in Fig.

In this way, it can be seen that the sealing membranes 15,15a are movable in a direction perpendicular to the plane of Figures 3 and 4 with respect to the primary insulation block 13. [ By allowing the plates 15 and 15a to have a pleat marked '16a' and '16b' in FIG. 1, the sliding allowed between the sealing membrane on one hand and the sealing barriers on the other is such that the pleats 16a and / So as to reduce the stress of the membrane. Moreover, this embodiment allows the membrane to be secured at right angles to the load bearing wall which is loaded by excessive pressure.

In another variant, Fig. 6 shows a view similar to Fig. This figure partially shows a cross section of a primary insulation block 13 consisting of a foam panel 130 sandwiched between two rigid board boards 131 where the board 131 shown is placed in the interior of the tank will be. The welded sheet constituting the primary sealing barrier is a metal plate. The strip of board 131 is torn in a direction perpendicular to the corrugations 16a and 16b (not shown) of the primary sealing membrane. The metal slide rail 140 is fitted to the stripped strip, and a metal slider 141 is disposed inside the slide rail. The rails 140 are fastened to the board 131 by rivets 142 arranged on each side of the axis of the slide rail 140. The sealing barrier consists of two plates 15, 15a welded together to have an overlap at the center of the slider 141. The movement of the primary sealing plates 15, 15a is provided by the slide way 140-142, which allows the results to be obtained as in Figs.

Fig. 7 shows another embodiment of the slide way. In this case, the slider 144 does not cooperate with the slide rail, but works with a slot engraved on the board board 131. The plates (15, 15a) of the primary sealing barrier are welded and fastened to the metal slider (144).

8 shows that the slider is exactly fitted, as in the case of Fig. 7, but instead of having a three-dimensional web, it consists of a U-shaped contour portion with welds for fastening the plates 15,15a on the web, 'Is folded and enters the groove engraved in the middle portion over the thickness of the board 131 which is a rigid body of the primary insulation block 13. [

Figures 9 and 9A show another embodiment of a sliding joint formed between the rigid body of the primary insulation block 13 and the two adjacent plates 15,15a of the primary sealing barrier. Figure 9 shows a groove 150 provided in the foam panel 130 of the primary insulation block which has a linear axis perpendicular to the corrugations 16a and 16b of the primary sealing membrane. In this embodiment, the plate 15 is folded over the thickness of the edge of the plywood board 131 and folded inwardly of the groove 15, and this folded portion does not extend to the entire length of the groove 15, Only a plurality of specific tabs 150a that are clearly visible in FIG. 9A as seen on IXA-IXA of FIG. The tab 150a constitutes a folded area of the plate 15 and the edge of the area 15a lies in alignment with the groove 150 and is supported on the plate 15 in the area adjacent to the tab area, (15, 15a) is made at the edge (150b) of this region. It is clear that the plate 15a in the region of the groove 150 has "roughing" indicated by " 15b ".

10 shows a cross section of a primary insulation block 13 covered by a laminate board 131 which is a rigid body supporting an area where two primary sealing plates 15, 15a are joined. The fluid sealing engagement of the two plates is achieved by welding to have overlapping portions as in the variant of Fig. The overlapped portion is laid in a straight line with a groove similar to the whole as indicated by '150' in FIG. In the groove 150, a metal outline 160 shown in a perspective view in FIG. 10A is disposed. The outline portion 160 has an opening 161 in which a fastened outline portion 162 of a 'V' shaped cross section can be inserted into a portion of the primary insulation block opposite to the portion where the plastic foam 130 is placed, The contour 162 is welded to the plate 15 and the insertion of the contour 160 into the contour 160 through the resilience of the 'V' legs catches the plate 15 on the plywood board 131. The fluid sealing welding of the plates 15, 15a together is done at the edge of the plate 15a as described with reference to Fig.

Fig. 11 shows another embodiment of a slide way system. Fig. 11 is a section similar to the previously described figure, showing a primary block 13 with two sheets 15, 15a arranged on a primary sealing barrier do. The slide way includes a contoured portion 170 fitted in a groove in the board 131 and the axis of the contoured portion is perpendicular to one of the corrugations 16a and 16b of the primary sealing barrier. The contour portion 170 is fixed to the groove of the board 131 by a rivet 171. [ The assembly formed by the board 131, the contour portion 170 and the rivets 171 can be pre-fabricated before assembly. The plate 15 supports a ring 172 welded to the edge of the plate in the direction of the bearing wall of the tank, that is, under the contour 170, and the latter supports the elastic tab 173 on the end face, And an outer portion of a rectangle including a stop-stop 174. When the contour 170 is placed in a groove formed in the board 131, the plate 15 is pressed against the board 131 in such a manner that the ring 172 bends the tongue 173, . The assembly of the plates 15,15a makes it possible to move not only in the axial direction of the contour 170 but also in a direction perpendicular to this axis with respect to the insulation block 13. [

The techniques described above for fabricating the sealed and sealed tank walls can be used to construct walls of various types of reservoirs, for example shelves of coastal facilities or methane tankers or floating structures such as those.

Referring to FIG. 12, the cutaway view of the methane tanker 70 represents a sealing and an enclosed tank 71 of a generally prismatic shape mounted on a doubled hull 71 of the ship. The wall of the tank 71 has a primary sealing barrier designed to contact an enclosure contained in the tank, a secondary sealing barrier arranged between the primary sealing barrier and the double hull 72 of the ship, and a primary sealing barrier and a secondary sealing barrier And two sealing barriers arranged between the secondary sealing barriers and the double hulls 72, respectively.

In a known manner, the loading / offloading pipeline 73 arranged on the upper deck of the ship is connected to a dock or port via an appropriate connector to transfer the elengage from the tank 71 or to transfer the elengage to the tank 71 .

12 shows an example of a dock comprising a loading and offloading station 75, a submersible pipe 76 and a coastal facility 77. Fig. The loading and offloading station 75 is fixed to a coastal facility and includes a tower 78 that supports a mobile arm 74 and a mobile arm 74. The mobile arm 74 has an interconnected flexible piping 79 and a connection network that can be connected to the loading / offloading pipeline 73. The mobile arm 74, which can be oriented in any direction, is shaped to fit all sizes of methane tankers. A connecting pipe, not shown, extends along the interior of the tower 78. The loading and offloading station 75 allows the methane tanker 70 to be loaded and offloaded from the coastal facility 77 or to be loaded and offloaded to the coastal facility 77. The latter includes a connecting pipe 81 connected to a loading or offloading station 75 by a liquefied gas storage tank 80 and an underwater pipe 76. The underwater pipe 76 allows the liquefied gas to be transported between the offshore facility 75 and the loading or offloading station 75 at a large distance, for example 5 km, during the loading and offloading operation of the methane tanker 70 Stay away from the coast.

The means for generating the pressure required to transport the liquefied gas consists of a pump on the ship 70 and / or a pump with a coastal facility 77 and / or a pump with a loading and offloading station 75.

While the present invention has been described using a number of specific embodiments, it is not intended to be limited to the details of the method, but includes all of the techniques described and corresponding to the combinations falling within the scope of the invention.

Use of the terms "having", "having" or "including" verbs and forms utilizing it is not intended to exclude the provision of other elements or other steps in the elements or steps recited in a claim. Uncategorized articles about an element or a step are "one" unless otherwise noted. Do not exclude a plurality of elements or steps.

In the claims, any reference signs between parentheses shall not be construed as limiting the claim.

Claims (10)

A sealing and thermally-sealed tank coupled to a structure comprising a bearing wall, said tank comprising a tank wall fixed to said bearing wall (3), said tank wall
- Insulation blocks (1, 13) fixed to the load bearing wall (3) and juxtaposed in parallel rows spaced apart from each other by a space (10) in a rectangular parallelepiped shape. The insulation blocks (1, 13) , A thermal insulation barrier comprising a plastic foam layer sandwiched between the upper and lower boards 2b, 13b, 13a,
A sealing barrier comprising a membrane composed of rectangular sheets (11, 15) supported by the thermal insulation barrier and welded together in a fluid-tight manner, and
- at least two right angle corrugations (12a, 12b, 16a, 16b) parallel to the side of the thermal insulation block (1, 13), supported by the upper board, which is a rigid body of the insulation block, (11, 15) fixed on the insulation block of the insulation barrier, bounded by the edges parallel to the said right angle corrugation, and two adjacent ones of the membrane sheets (11, 15) welded together in a fluid- In the tank,
Each of the two orthogonal edges of the rectangular sheet (15, 15a) has at least a portion of its length secured to the block so that the rectangular sheet is held against the thermal insulation block (13) And a sliding retaining means which cooperates with the underlying insulation block (13) so as to slide in the edge direction of the upper board, which is a rigid body, and the sliding means
A folded portion at the edge of the first rectangular sheet of the two adjacent rectangular sheets that are welded together to form the sealing barrier, the second rectangular sheet having a folded portion in the first rectangular sheet, (15), and the folded portion of the first rectangular sheet covers the edge portion of the upper board, which is a rigid body supporting the first rectangular sheet (15), and the folded portion is welded to the upper side Parallel to the edge of the board,
- slots (132, 150) formed in one of the elements, which are the folding part of the first rectangular sheet and extending along the edge of the upper board (131)
The first rectangular sheet 15 is connected to another one of the elements which is the folded portion of the first rectangular sheet 15 and the first rectangular sheet 15 is movable in the direction of the edge of the upper board (150a) engaged with the slots (132, 150) so that the folded portion is fixed on the edge portion of the upper board (131), which is a rigid body. The method according to claim 1,
Adjacent sheets (15, 15a) of the sealing barrier are metal plates welded to have overlapping portions. 3. The method according to claim 1 or 2,
Wherein the folded portion is a folded portion of the first rectangular sheet 15 at a right angle and the retaining element includes a screw fixed to an edge portion of the rigid upper board 131, The elongated slot 132 is a longitudinally elongated slot 132 located at the folded portion of the seat so that the seat 15 can move a certain distance along the edge of the rigid upper board 131 132). 3. The method according to claim 1 or 2,
The retaining element includes a tab 150a extending from the folded portion of the first rectangular sheet 15 to cover the edge of the upper board 131 which is a rigid body, The side of the upper board 131 which is the rigid body opposite to the side of the upper board 131 which is a rigid body that supports the first rectangular sheet 15 from one end of the folded portion opposite to the folded portion of the seat 15 Wherein the slots (150) are formed in a layer of an encrusting material (130) of an encapsulating block (13) supporting the first rectangular sheet (15). 5. The method according to any one of claims 1 to 4,
The wall of the tank comprises a primary element on the one hand and a secondary element arranged on the other hand between the bearing wall 3 and the primary element and each of the primary and secondary elements On the one hand, a thermal insulation barrier consisting of an insulating block (1, 13) in the form of a rectangular parallelepiped juxtaposed with parallel rows spaced apart from each other by an interval (10), and on the other hand arranged on each said thermal insulation barrier Characterized in that the thermal insulation barrier of the secondary element is fastened to the bearing wall (3) and the thermal insulation barrier of the primary element is fastened to the secondary element of the tank by means of an attachment means Wherein the attachment means is connected to the thermal insulation barrier of the secondary element such that the primary element of the tank wall contacts the secondary element of the tank wall Tank to be reliably fixed in the tree. 6. The method of claim 5,
Wherein the insulation block (1) of the thermal insulation barrier of the secondary element is fixed to the load bearing wall (3) by adhesion or adhesion welded to the load bearing wall. 6. The method of claim 5,
Wherein two right angled corrugations (12a, 12b, 16a, 16b) of the metal sealing membrane are inserted into the gap (10) formed between the insulation blocks. A ship (70) for conveying a cold liquid product, comprising a double hull (72) and a tank (71) arranged in said double hull and as claimed in one of claims 1 to 7. 9. A method of loading or offloading a ship as claimed in claim 8, wherein the cold liquid product is discharged from the floating or coastal storage facility (77) through an enclosed pipeline (73, 79, 76, 81) (71) or carried from a tank of ship (71) to a floating or coastal storage facility (77). A transfer system for transferring cold liquid product, the system comprising a ship (70) as claimed in claim 8, a tank (71) installed on the ship's hull and a floating or shore storage facility (73, 79, 76, 81) arranged in such a way that the cold liquid product flows from the flooded or coastal storage facility to the tank of the ship through the sealed pipeline And a pump for transferring from said tank to said floating or coastal storage facility.

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