EP2739896A2 - Bloc isolant pour la fabrication d'une paroi de cuve - Google Patents
Bloc isolant pour la fabrication d'une paroi de cuveInfo
- Publication number
- EP2739896A2 EP2739896A2 EP12750432.2A EP12750432A EP2739896A2 EP 2739896 A2 EP2739896 A2 EP 2739896A2 EP 12750432 A EP12750432 A EP 12750432A EP 2739896 A2 EP2739896 A2 EP 2739896A2
- Authority
- EP
- European Patent Office
- Prior art keywords
- insulating
- pillars
- insulating block
- vessel
- bottom panel
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 10
- 125000006850 spacer group Chemical group 0.000 claims abstract description 46
- 238000012856 packing Methods 0.000 claims abstract description 4
- 239000012528 membrane Substances 0.000 claims description 50
- 230000004888 barrier function Effects 0.000 claims description 36
- 239000011810 insulating material Substances 0.000 claims description 35
- 230000002787 reinforcement Effects 0.000 claims description 21
- 230000000717 retained effect Effects 0.000 claims description 15
- 238000003860 storage Methods 0.000 claims description 12
- 239000012263 liquid product Substances 0.000 claims description 9
- 238000003466 welding Methods 0.000 claims description 7
- 229910000831 Steel Inorganic materials 0.000 claims description 5
- 239000002184 metal Substances 0.000 claims description 5
- 229910052751 metal Inorganic materials 0.000 claims description 5
- 239000010959 steel Substances 0.000 claims description 5
- 239000011152 fibreglass Substances 0.000 claims description 2
- 239000011491 glass wool Substances 0.000 claims description 2
- 239000002023 wood Substances 0.000 claims description 2
- 235000019362 perlite Nutrition 0.000 claims 1
- 239000010451 perlite Substances 0.000 claims 1
- 239000006260 foam Substances 0.000 description 17
- 229920000642 polymer Polymers 0.000 description 10
- 239000007789 gas Substances 0.000 description 6
- 238000009434 installation Methods 0.000 description 6
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 4
- 229920005830 Polyurethane Foam Polymers 0.000 description 4
- 238000009413 insulation Methods 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- 239000011496 polyurethane foam Substances 0.000 description 4
- 239000004800 polyvinyl chloride Substances 0.000 description 4
- 238000005452 bending Methods 0.000 description 3
- 239000011120 plywood Substances 0.000 description 3
- 238000004078 waterproofing Methods 0.000 description 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- 229910052742 iron Inorganic materials 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 2
- 229920000915 polyvinyl chloride Polymers 0.000 description 2
- 238000004080 punching Methods 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 239000000969 carrier Substances 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000013016 damping Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 239000012212 insulator Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 229910001562 pearlite Inorganic materials 0.000 description 1
- 238000009417 prefabrication Methods 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 229910000679 solder Inorganic materials 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C3/00—Vessels not under pressure
- F17C3/02—Vessels not under pressure with provision for thermal insulation
- F17C3/025—Bulk storage in barges or on ships
- F17C3/027—Wallpanels for so-called membrane tanks
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- 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
- F17C2203/0329—Foam
-
- 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
- F17C2203/0329—Foam
- F17C2203/0333—Polyurethane
-
- 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
- F17C2203/0337—Granular
- F17C2203/0341—Perlite
-
- 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
- F17C2203/0354—Wood
-
- 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
- F17C2203/00—Vessel construction, in particular walls or details thereof
- F17C2203/06—Materials for walls or layers thereof; Properties or structures of walls or their materials
- F17C2203/0602—Wall structures; Special features thereof
- F17C2203/0612—Wall structures
- F17C2203/0626—Multiple walls
- F17C2203/0631—Three or more walls
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- 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
- F17C2260/00—Purposes of gas storage and gas handling
- F17C2260/03—Dealing with losses
- F17C2260/031—Dealing with losses due to heat transfer
- F17C2260/033—Dealing with losses due to heat transfer by enhancing insulation
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- 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
-
- 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
- F17C2270/011—Barges
- F17C2270/0113—Barges floating
-
- 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
- F17C2270/0118—Offshore
- F17C2270/0123—Terminals
-
- 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
- F17C2270/0134—Applications for fluid transport or storage placed above the ground
- F17C2270/0136—Terminals
Definitions
- the invention relates to the field of the manufacture of sealed and insulating vessels, in particular for containing cold or hot liquids, and more particularly to tanks for the storage and / or transport of liquefied gas.
- a membrane tank intended to contain a cold liquid and consisting of tank walls retained on the carrying structure of a ship, the walls of tub including, in the direction of the thickness from the outside to the inside of said 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.
- the insulating barriers consist essentially of boxes, each box including a thermal insulation lining disposed in the form of a layer parallel to said vessel wall and carrying elements which rise through the thickness of said thermal insulation trim to take up the compressive forces between the cover panels and the bottom panels.
- the tanks of the tank wall forming the insulating barrier are subjected to compressive forces due to the static pressure and dynamic shocks of the fluid contained in the tank, which is set in motion, in particular by rolling and pitching. ship.
- the crates must withstand these efforts over a long life, given the risk of rupture of the membrane when an underlying crate collapses and intervention costs for the replacement of a crate.
- the document FR2877638 describes the use of small cross-section pillars with respect to the dimensions of the heat-insulating element in a plane parallel to the tank wall. This solution makes it possible to transmit all the compressive forces through the pillars. These pillars are likely to damage the cover and bottom panels by punching. By moreover, to increase the section of the pillars would be to increase all the more the thermal bridge between the two panels of cover.
- DE2441392 discloses a vessel wall member having a top panel, a bottom panel and profiles. Each profile consists of two side plates extending along the thickness of the vessel wall member and spaced apart by spacers.
- the element 6 illustrated in FIG. 2 of this document is an insulating material without mechanical resistance located in the space between the side plates and the spacers.
- Document FR2068995 describes a thermally insulating wall structure.
- the wall structure includes wooden support frames.
- a steel profile having a gutter-shaped cross-section is attached to or attached to a first support frame.
- the steel profile and a second support frame (7c in Figure 2 of this document) extend in different directions.
- the invention provides an insulating block for the manufacture of a sealed and insulating tank wall, the insulating block having a bottom panel, a cover panel, and a plurality of elongated spacer structures located between the cover panel and the bottom panel, the bottom panel and the cover panel being flat and parallel,
- the spacer structure comprising in each case a lower plate, an upper plate and a row of pillars disposed between the lower plate and the upper plate and fixed to the lower plate and to the upper plate, the lower plate and the upper plate being kept spaced apart and parallel to each other by the row of pillars, the spacer structures being arranged parallel to each other with the lower plate fixed against the bottom panel and the upper plate fixed against the cover panel, a heat-insulating packing being disposed between the bottom panel and the cover panel to fill the spaces between the pillars of a spacer structure and the spaces between the respective strut structures.
- the spacer structure comprises an upper lateral reinforcement positioned along the row of pillars, the upper lateral reinforcement being connected to both the set of pillars of the row and the upper plate.
- the spacer structure comprises a lower lateral reinforcement positioned along the row of pillars, the lower lateral reinforcement being bonded to both the set of pillars of the row and the lower plate.
- such an insulating block may comprise one or more of the following characteristics:
- the spacer structure comprises a pair of upper lateral reinforcements and / or a pair of lower lateral reinforcements which are positioned on either side of the row of pillars.
- the lateral reinforcement is a rod of square or rectangular section.
- the pillars are of square or rectangular section.
- the heat-insulating lining consists of pre-cut polymer foam blocks.
- the use of a precut liner allows a faster realization of the insulating block by reducing the number of elements to handle.
- the insulating block is closed laterally around the bottom and cover panels and the heat-insulating trim is made of pearlite or glass wool.
- the closing side walls of the block comprise a sheet of fiberglass.
- the closing side walls of the block are plywood.
- the bottom panel has a thickness of 9mm.
- the insulating block has external strut structures along its edges and the external strut structures have triangular piers at their ends to provide clearance at the corners of the insulating block.
- the lid can be made in several thicknesses. In a preferred embodiment, the panel has a thickness of 12 to 30mm.
- the spacer structure may be made of different materials, especially wood or cushioning materials such as composite materials. This makes it possible to improve the dynamic behavior of the block by damping.
- the heat-insulating foam is polyvinyl chloride foam (PVC) or polyurethane foam (PU).
- PVC polyvinyl chloride foam
- PU polyurethane foam
- the polyvinyl chloride (PVC) foam has a density of 35Kg / m3.
- such an insulating block comprises a layer of insulating material, the layer of insulating material being arranged on the outer surface of the bottom panel and having parallel grooves for receiving projecting portions of a sealed membrane.
- such a layer of insulating material comprises notches to ensure the flow of nitrogen.
- the invention also provides a method of manufacturing an insulating block comprising the steps of:
- the invention also provides a sealed and insulating tank disposed in a supporting structure, the tank having a wall of tank 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 barrier secondary insulation, a primary insulating barrier retained on the secondary waterproof membrane and a primary waterproofing membrane retained on the primary insulating barrier, characterized in that the primary insulating barrier and / or the secondary insulating barrier essentially consists of a plurality of such insulating barriers insulating blocks juxtaposed in a repeating pattern.
- such a tank may have one of the following characteristics:
- the primary waterproofing membrane and / or the secondary waterproofing membrane comprises corrugated sheet metal plates welded to each other and comprising corrugations and a layer of insulating material is arranged between the outer surface of the cover panel of the self-supporting body and the primary waterproof membrane and / or the secondary waterproof membrane of the wall of the tank, the thickness of the layer of insulating material being greater than the height of the undulations of the corrugated sheet metal plates, parallel grooves being formed in the layer of insulating material to receive the corrugations of the primary waterproof membrane and / or the secondary waterproof membrane.
- the secondary waterproof membrane comprises plates of corrugated sheet welded to each other and which comprise corrugations,
- the secondary waterproof membrane comprises
- a layer of insulating material being arranged between the outer surface of the bottom panel of the insulating block of the primary insulating barrier the self-supporting body and the secondary waterproof membrane of the wall of the tank,
- the thickness of the layer of insulating material being greater than the height of the raised side edges and the welding supports of the secondary waterproof membrane, parallel grooves being formed in the layer of insulating material to receive the raised side edges and the supports of welding of the secondary waterproof membrane.
- Such a tank can be part of a land storage facility, for example to store LNG or be installed in a floating structure, coastal or deep water, including a LNG tank, a floating storage and regasification unit (FSRU) , a floating production and remote storage unit (FPSO) and others.
- FSRU floating storage and regasification unit
- FPSO floating production and remote storage unit
- a vessel for the transport of a cold liquid product comprises a double hull and a aforementioned tank disposed in the double hull.
- the invention also provides a method of loading or unloading such a vessel, in which a cold liquid product is conveyed through isolated pipes from or to a floating or land storage facility to or from the vessel vessel.
- such a ship is used by conveying a cold liquid product through isolated pipes to or from a floating or ground storage facility to or from the vessel vessel for loading or unloading the vessel.
- the invention also provides a transfer system for a cold liquid product, the system comprising the abovementioned vessel, insulated pipes arranged to connect the vessel installed in the hull of the vessel to a floating storage facility. or terrestrial and a pump for driving a flow of cold liquid product through the insulated pipelines from or to the floating or land storage facility to or from the vessel vessel.
- a transfer system for a cold liquid product comprising the abovementioned vessel, insulated pipes arranged to connect the vessel installed in the hull of the vessel to a floating storage facility. or terrestrial and a pump for driving a flow of cold liquid product through the insulated pipelines from or to the floating or land storage facility to or from the vessel vessel.
- Some aspects of the invention start from the idea of providing an insulating block where the forces are transmitted homogeneously.
- Some aspects of the invention start from the idea of avoiding the punching of the lid.
- Certain aspects of the invention start from the idea of reinforcing the bending strength of the lids.
- Some aspects of the invention start from the idea of limiting the risk of pouring pillars.
- Some aspects of the invention start from the idea of providing an insulating block that is easy to manufacture in an automated manner.
- Some aspects of the invention start from the idea of interposing a layer of insulating material between the self-supporting body and the underlying waterproof membrane to accommodate projecting portions of the membrane in this layer of material. Some aspects of the invention start from the idea of making this layer of material in a modular way to the same dimensions as the self-supporting body to be able to prefabricate an insulating block integrating both the self-supporting body and the layer of insulating material.
- FIG. 1 is a partial perspective view of a spacer structure that can be used in an insulating block
- FIG. 2 is a sectional view of an insulating block along the line II-II of FIG.
- FIG. 3 is a sectional view of an insulating block along the line III-III of FIG.
- FIG. 4 is a plan view of an insulating block
- FIG. 5 is a plan view of a portion of a pre-cut polymeric foam block
- FIG. 6 is a schematic sectional view of a vessel wall according to a first embodiment
- FIG. 7 is a schematic sectional view of a vessel wall according to a second embodiment
- FIG. 8 is a schematic sectional view of a vessel wall according to a third embodiment
- FIG. 9 is a cutaway schematic representation of a vessel of a LNG carrier having a terminal for loading / unloading this vessel.
- a spacer structure 1 having a row of pillars 2 of square section on which is disposed an upper plate 3 and a lower plate 5.
- the pillars are aligned equidistant from each other allowing good distribution of compressive forces.
- Upper lateral reinforcements 4 of rectangular section are fixed to the pillars 2 and to the upper plate 3.
- Lower lateral reinforcements 6 of rectangular section are fixed to the pillars 2 and the lower plate 5.
- the lower lateral reinforcements 6 and the upper lateral reinforcement 4 each make it possible to improve the rigidity of the structure. Moreover, these prevent the spill of the pillars.
- Such spacer structures can be made in prefabrication, thus facilitating the realization of the insulating block.
- an insulating block 20 having seven spacer structures 1 having nine pillars 2 each.
- Two external spacer structures 12 are also arranged at the edges of the insulating block 20, in which the plates and lateral reinforcements only extend on one side of the pillars 2, namely the inner side of the insulating block 20.
- the external spacer structures comprise triangular pillars 13 making it possible to provide spaces at the corners of the block 20.
- the polymeric foam 11 fills the space between the spacer structures 1 and the space between the pillars of a row of pillars 2 of a spacer structure 1.
- the polymer foam is a polyvinyl chloride (PVC) foam having a density of 35Kg / m3.
- a layer of insulating material 10 is arranged on the outer surface of the bottom panel 8.
- the layer of insulating material 10 is made of polyurethane foam (PU) having a density of 20Kg / m3. Cleats 9 make it possible to avoid creep in the vicinity of the couplers (not shown) and to ensure structural continuity.
- FIG. 4 also shows holes 14 formed in the bottom panel 5 for injecting the polymer foam 11.
- the polymer foam 11 can also be injected through the sides of the insulating block 20.
- the pillars 2 have a section of 30x30mm, the lateral reinforcements
- the insulating block 20 can be manufactured in several ways. According to one embodiment, the insulating block 20 is manufactured by placing a plurality of strut structures 1 parallel to each other in the cavity of a parallelepiped mold, the upper plates 3 of the strut structures 1 being laid on a bottom wall of the mold. A bottom panel 8 is fixed on the lower plates 5 of the spacer structures 1 and the heat-insulating lining 11 is injected into the space between the bottom panel 8 and the bottom wall of the mold so as to embed the pillars 2 of the spacer structures 1. The injection can be carried out either by the sides or the bottom of the mold, or through holes 14 arranged in the bottom panel 8. The block is then turned over and a cover panel 7 is fixed on the upper plates 3 of the spacer structures 1. Finally, the insulating block 20 is removed from the mold cavity.
- Another embodiment consists of performing the same steps described above but by placing the lower trays 5 against the bottom of the mold, fixing the cover panel 7 on the upper plates 3, and injecting the polymer foam 11 through holes 14 formed in the cover panel 7.
- the polymer foam is not injected during the manufacture of the insulating block 20 but pre-cut to be inserted between the spacer structures 1.
- the first block of pre-cut polymer foam 21 has notches on both sides. other to accommodate the pillars 2 of a spacer structure 1 on each of its sides.
- the second block of pre-cut polymer foam 22 has notches on one of its sides to accommodate only one row of pillars 2.
- FIGS. 6 to 8 three embodiments of a sealed and insulating tank wall in which the barriers primary and secondary insulators are in each case constituted by a layer of juxtaposed insulating blocks 20.
- the secondary waterproof membrane 15 and the primary waterproof membrane 16 are formed of corrugated sheet metal plates welded to each other.
- a layer of insulating material 10 is located between the outer surface of the bottom panel 5 of the insulating block 20 of the primary insulating barrier and the secondary sealed membrane 15 of the wall of the tank.
- the corrugations of the membrane 15 can be inserted into parallel grooves in the insulating material layer 10.
- the portions of the insulating material layer 10 which rest on the plane portions of the membrane 15 between the Ripples can be much larger than the grooves receiving the ripples.
- the layer of insulating material 10 is made of plywood or polymer foam.
- the secondary waterproof membrane 15 and the primary waterproof membrane 16 comprise corrugated iron plates welded to each other, the corrugations of which are oriented each time in the direction of the insulating barrier which supports the membrane. waterproof (incoming waves).
- a layer of insulating material is located between the outer surface of the cover panel 3 of the insulating block 20 of the secondary insulating barrier and the secondary sealed membrane 15 of the wall of the tank.
- the incoming corrugations of the membrane 15 can be inserted into the parallel grooves formed in the layer of insulating material 10.
- the portions of the layer of insulating material 10 which rest on the plane portions of the membrane 15 between the corrugations can be much larger than the grooves receiving the corrugations.
- the layer of insulating material 10 is made of plywood or polymer foam.
- the secondary airtight membrane 15 and the primary airtight membrane 16 comprise steel strakes with a low coefficient of expansion welded to each other at the level of the raised lateral edges, in each case on both sides. other than a solder support 19.
- a layer of insulating material 10 is located between the outer surface of the bottom panel 5 of the insulating block 20 of the primary insulating barrier and the secondary sealed membrane 15 of the wall of the tank. The raised edges and the welding supports of the membrane 15 can be inserted into the parallel grooves formed in the layer of insulating material 10.
- the insulating blocks described above can be used in different types of tanks, for example to form an insulating barrier of an LNG tank in a land installation or in a floating structure such as a LNG tank or other.
- a cutaway view of a LNG tank 70 shows a sealed and insulated tank 71 of generally prismatic shape mounted in the double hull 72 of the ship.
- the wall of the tank 71 comprises a primary sealed barrier intended to be in contact with the LNG contained in the tank, a secondary sealed barrier arranged between the primary waterproof barrier and the double hull 72 of the ship, and two insulating barriers arranged respectively between the primary watertight barrier and the secondary watertight barrier and between the secondary watertight barrier and the double hull 72.
- loading / unloading lines 73 arranged on the upper deck of the ship can be connected, by means of appropriate connectors, to a marine or port terminal to transfer a cargo of LNG from or to the tank 71.
- FIG. 9 represents an example of a marine terminal comprising a loading and unloading station 75, an underwater pipe 76 and an onshore installation 77.
- the loading and unloading station 75 is a fixed off-shore installation comprising an arm mobile 74 and a tower 78 which supports the movable arm 74.
- the movable arm 74 carries a bundle of insulated flexible pipes 79 that can connect to the loading / unloading pipes 73.
- the movable arm 74 can be adapted to all gauges of LNG carriers .
- a link pipe (not shown) extends inside the tower 78.
- the loading and unloading station 75 allows the loading and unloading of the tanker 70 from or to the onshore installation 77.
- the underwater pipe 76 allows the transfer of the liquefied gas between the loading or unloading station 75 and the onshore installation 77 over a great distance, for example 5 km, which makes it possible to keep the tanker tank 70 at a great distance from the coast during the loading and unloading operations.
- pumps on board the ship 70 and / or pumps equipping the shore installation 77 and / or pumps equipping the loading and unloading station 75 are used.
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Filling Or Discharging Of Gas Storage Vessels (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR1157036A FR2978749B1 (fr) | 2011-08-01 | 2011-08-01 | Bloc isolant pour la fabrication d'une paroi de cuve |
PCT/FR2012/051725 WO2013017773A2 (fr) | 2011-08-01 | 2012-07-20 | Bloc isolant pour la fabrication d'une paroi de cuve |
Publications (2)
Publication Number | Publication Date |
---|---|
EP2739896A2 true EP2739896A2 (fr) | 2014-06-11 |
EP2739896B1 EP2739896B1 (fr) | 2018-08-08 |
Family
ID=46724497
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP12750432.2A Not-in-force EP2739896B1 (fr) | 2011-08-01 | 2012-07-20 | Bloc isolant pour la fabrication d'une paroi de cuve |
Country Status (6)
Country | Link |
---|---|
EP (1) | EP2739896B1 (fr) |
JP (1) | JP6134712B2 (fr) |
KR (1) | KR102092210B1 (fr) |
CN (1) | CN103857954B (fr) |
FR (1) | FR2978749B1 (fr) |
WO (1) | WO2013017773A2 (fr) |
Families Citing this family (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR101919165B1 (ko) * | 2013-04-05 | 2018-11-16 | 현대중공업 주식회사 | 극저온 물질 운반선의 화물창 |
FR3004512B1 (fr) * | 2013-04-15 | 2016-09-30 | Gaztransport Et Technigaz | Cuve etanche et thermiquement isolante |
FR3017924B1 (fr) * | 2014-02-21 | 2016-08-26 | Gaztransport Et Technigaz | Procede et systeme d'inertage d'une paroi d'une cuve de stockage d'un gaz combustible liquefie |
FR3026459B1 (fr) * | 2014-09-26 | 2017-06-09 | Gaztransport Et Technigaz | Cuve etanche et isolante comportant un element de pontage entre les panneaux de la barriere isolante secondaire |
CN105711756B (zh) * | 2014-12-03 | 2017-11-21 | 江南造船(集团)有限责任公司 | A型独立液货舱底面内侧垂向支座绝缘的安装方法 |
CN105711753B (zh) * | 2014-12-03 | 2017-12-05 | 江南造船(集团)有限责任公司 | A型独立液货舱顶面止浮装置绝缘的安装方法 |
FR3030014B1 (fr) * | 2014-12-15 | 2017-10-13 | Gaztransport Et Technigaz | Bloc isolant convenant pour realiser une paroi isolante dans une cuve etanche |
FR3037843B1 (fr) | 2015-06-24 | 2018-01-05 | Gaztransport Et Technigaz | Procede et dispositif de decoupe de matiere isolante fibreuse ou alveolaire |
FR3072758B1 (fr) | 2017-10-20 | 2019-11-01 | Gaztransport Et Technigaz | Cuve etanche et thermiquement isolante a plusieurs zones |
WO2019077253A1 (fr) | 2017-10-20 | 2019-04-25 | Gaztransport Et Technigaz | Cuve etanche et thermiquement isolante a plusieurs zones |
FR3107941B1 (fr) | 2020-03-09 | 2022-03-11 | Gaztransport Et Technigaz | Bloc modulaire isolant pour cuve étanche et thermiquement isolante |
Family Cites Families (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS4931075B1 (fr) * | 1969-11-29 | 1974-08-19 | ||
FR2068995A5 (fr) * | 1969-11-29 | 1971-09-03 | Bridgestone Liquefied Gas Co | |
US3972166A (en) * | 1974-08-23 | 1976-08-03 | Ishikawajima-Harima Jukogyo Kabushiki Kaisha | Heat insulation structure for liquefied gas storage tank |
DE2441392C3 (de) * | 1974-08-29 | 1978-09-28 | Ishikawajima-Harima Jukogyo K.K., Tokio | Flüssiggastank, insbesondere für Schiffe |
JPS52109615A (en) * | 1976-03-11 | 1977-09-14 | Mitsubishi Heavy Ind Ltd | Manufacturing method for inside insulated storage tank |
FR2781557B1 (fr) * | 1998-07-24 | 2000-09-15 | Gaz Transport & Technigaz | Perfectionnement pour une cuve etanche et thermiquement isolante a panneaux prefabriques |
FR2877638B1 (fr) * | 2004-11-10 | 2007-01-19 | Gaz Transp Et Technigaz Soc Pa | Cuve etanche et thermiquement isolee a elements calorifuges resistants a la compression |
KR100644217B1 (ko) * | 2006-04-20 | 2006-11-10 | 한국가스공사 | 개선된 단열구조를 갖는 액화천연가스 저장탱크 및 그제조방법 |
FR2931535B1 (fr) * | 2008-05-21 | 2010-08-20 | Gaztransp Et Technigaz | Fixation par collage de blocs isolants pour cuve de stockage de gaz liquefies a l'aide de cordons ondules |
KR101122556B1 (ko) * | 2009-08-24 | 2012-03-16 | 삼성중공업 주식회사 | 액화천연가스 운반선 화물창의 단열구조 |
-
2011
- 2011-08-01 FR FR1157036A patent/FR2978749B1/fr active Active
-
2012
- 2012-07-20 KR KR1020147005205A patent/KR102092210B1/ko active IP Right Grant
- 2012-07-20 JP JP2014523361A patent/JP6134712B2/ja active Active
- 2012-07-20 CN CN201280037598.0A patent/CN103857954B/zh active Active
- 2012-07-20 WO PCT/FR2012/051725 patent/WO2013017773A2/fr active Search and Examination
- 2012-07-20 EP EP12750432.2A patent/EP2739896B1/fr not_active Not-in-force
Non-Patent Citations (1)
Title |
---|
See references of WO2013017773A2 * |
Also Published As
Publication number | Publication date |
---|---|
JP6134712B2 (ja) | 2017-05-24 |
KR102092210B1 (ko) | 2020-03-23 |
EP2739896B1 (fr) | 2018-08-08 |
CN103857954A (zh) | 2014-06-11 |
KR20140049579A (ko) | 2014-04-25 |
FR2978749A1 (fr) | 2013-02-08 |
WO2013017773A2 (fr) | 2013-02-07 |
FR2978749B1 (fr) | 2014-10-24 |
CN103857954B (zh) | 2016-05-04 |
JP2014521556A (ja) | 2014-08-28 |
WO2013017773A3 (fr) | 2013-08-08 |
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