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CN103998852A - Vessel wall comprising a pipe - Google Patents

Vessel wall comprising a pipe Download PDF

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Publication number
CN103998852A
CN103998852A CN201280063030.6A CN201280063030A CN103998852A CN 103998852 A CN103998852 A CN 103998852A CN 201280063030 A CN201280063030 A CN 201280063030A CN 103998852 A CN103998852 A CN 103998852A
Authority
CN
China
Prior art keywords
plate
sealing
storage tank
connecting plate
barrier
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
CN201280063030.6A
Other languages
Chinese (zh)
Other versions
CN103998852B (en
Inventor
盖尔·托斯
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Gaztransport et Technigaz SA
Original Assignee
Gaztransport et Technigaz SA
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Gaztransport et Technigaz SA filed Critical Gaztransport et Technigaz SA
Publication of CN103998852A publication Critical patent/CN103998852A/en
Application granted granted Critical
Publication of CN103998852B publication Critical patent/CN103998852B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C13/00—Details of vessels or of the filling or discharging of vessels
    • F17C13/004—Details of vessels or of the filling or discharging of vessels for large storage vessels not under pressure
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • 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
    • 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
    • F17C2203/00—Vessel construction, in particular walls or details thereof
    • F17C2203/03—Thermal insulations
    • F17C2203/0375—Thermal insulations by gas
    • F17C2203/0379—Inert
    • 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
    • F17C2205/00—Vessel construction, in particular mounting arrangements, attachments or identifications means
    • F17C2205/03—Fluid connections, filters, valves, closure means or other attachments
    • F17C2205/0302—Fittings, valves, filters, or components in connection with the gas storage device
    • F17C2205/0352—Pipes
    • 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
    • F17C2250/00—Accessories; Control means; Indicating, measuring or monitoring of parameters
    • F17C2250/04—Indicating or measuring of parameters as input values
    • F17C2250/0404—Parameters indicated or measured
    • F17C2250/043—Pressure
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C2250/00—Accessories; Control means; Indicating, measuring or monitoring of parameters
    • F17C2250/04—Indicating or measuring of parameters as input values
    • F17C2250/0486—Indicating or measuring characterised by the location
    • F17C2250/0491—Parameters measured at or inside the vessel
    • 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
    • F17C2265/00—Effects achieved by gas storage or gas handling
    • F17C2265/03—Treating the boil-off
    • F17C2265/032—Treating the boil-off by recovery
    • 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
    • F17C2265/00—Effects achieved by gas storage or gas handling
    • F17C2265/03—Treating the boil-off
    • F17C2265/032—Treating the boil-off by recovery
    • F17C2265/033—Treating the boil-off by recovery with cooling
    • F17C2265/034—Treating the boil-off by recovery with cooling with condensing the gas phase
    • 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
    • F17C2265/00—Effects achieved by gas storage or gas handling
    • F17C2265/06—Fluid distribution
    • F17C2265/066—Fluid distribution for feeding engines for propulsion
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Filling Or Discharging Of Gas Storage Vessels (AREA)

Abstract

The invention relates to a vessel wall comprising two main (3) and secondary (5) sealed barriers and two main (4) and secondary (6) heat-insulating barriers. The vessel wall has a pipe (7) passing therethrough and comprises, around the pipe (7), a first plate (20) connected to the pipe (7) and spaced apart relative to the secondary sealed barrier (5), a first sheet (17) sealed on the secondary sealed barrier (5) around the first plate (21), a second plate (22) placed parallel to the first plate, at the same level as the first sheet (17), the first and second plates being connected by connection plates (21) and (26) such as to define a cavity (24), a second flexible sealed sheet (23) adhered onto the first sheet and second plate, an opening (25) provided through the second plate, and a pipe leading through the first plate.

Description

The tank wall of pipeline is housed
The present invention relates to the manufacture field of sealing and adiabatic storage tank.Particularly, the present invention relates to for including cold or hot wet tank, more particularly, relate at sea for storing and/or the storage tank of transport liquefied gases.
Sealing and adiabatic storage tank can be for storing heat or cold product in industry-by-industry.For example, at energy field, LNG Liquefied natural gas (LNG) is a kind of liquid, and this liquid can be stored under an atmospheric pressure, approximately-163 ℃, and in storage tank on land or have on ship in the tank of floating structure.
Store the storage tank of a kind of liquid like this, its thermodynamic condition produces and seethed with excitement on the surface of described liquid.The raw a certain amount of steam that can change tank inner pressure of this boiling stopping pregnancy.In order to control the pressure of these storage tanks, described boil-off gas is collected and transfers to an evaporation manifold, for example, can liquefy or burn at the propelling machinery of boats and ships.
One embodiment of the invention provide a sealing and adiabatic storage tank to be arranged in a supporting structure, comprise a liquid, and described storage tank comprises the tank wall that is fixed on described supporting structure,
One tank wall has successively on described storage tank thickness direction from inside to outside, a primary seal barrier, and a main adiabatic barrier, one second sealing barrier, and one second adiabatic barrier,
Described storage tank also comprises a closed conduit, and it passes tank wall, thereby is set in the inner space of storage tank and is arranged on the passage between the steam manifold outside storage tank,
Wherein, described tank wall around closed conduit comprises:
One first plate is connected with the periphery of pipeline and is parallel to described tank wall with the form sealing and extends, and described the first plate is spaced towards the described supporting structure with respect to described the second sealing barrier,
One first peripheral connecting plate is fixed on whole described the first plate periphery with the form of sealing, and being parallel to closed conduit extends, described the first peripheral connecting plate extends and forms an edge on tank wall thickness direction, and it is outstanding towards the second sealing barrier with respect to described the first plate
The second collets, it is arranged in described the first peripheral connecting plate described supporting structure around, and the second collets are coated with the first sealing layer and form described the second sealing barrier,
One second plate (22) is parallel to described the first plate and the first sealing layer (17) that forms described the second sealing barrier at grade, described the second plate comprises the second connecting plate (26), its form with sealing is fixed on the surface being positioned in a direction, this direction is that described the second plate is towards described the first plate, and towards supporting structure, being parallel to pipeline protrudes, described the second connecting plate is fixed on the first peripheral connecting plate and around whole the first peripheral connecting plate with the form of sealing, these two spaced plates have been set a housing (24)
One flexible the second sealing layer is fixed with the form of sealing and across the second plate of described the first sealing layer and whole the second panel area,
Form an opening through described the second plate, thereby guarantee that gas flows in the principal space between two sealing barriers and housing, and
One pipeline extends through the first plate in described supporting structure direction, thereby sets the passage between described shell and described steam manifold.
Embodiment such as this storage tank has one or more following technical characteristicss:
In one embodiment, described the second plate comprises the dunnage of square configuration, and described flexible the second sealing layer comprises flexible sealing band, and each is fixed on the respective edges of the square dunnage of described the second plate.
In one embodiment, described the second plate comprises a dunnage and is fixed on rigidity the 3rd sealing layer of described support plate upper surface, described flexible the second sealing layer being fixed on described the 3rd sealing layer is fixed on described the second plate, and described connecting plate connecting plate is soldered on the reverse side of described support plate upper surface.
In one embodiment, one of them of two connecting plates has and is suitable for being nested in other connecting plate and can be in the shape that is parallel to the square upward sliding of pipeline.
In one embodiment, the periphery of described the first plate is one to be positioned at the circle of described closed conduit central authorities,
The first peripheral connecting plate and the second connecting plate have tubular form, and one of them external diameter of these two connecting plates is substantially equal to the internal diameter of another connecting plate, and
Described the first connecting plate with the second connecting plate in this way by mutually nested, thereby described second plate of usining with respect to pipeline is as center.
In one embodiment, described the first peripheral connecting plate is further above the side of described supporting structure extends upwardly to described supporting structure.
In one embodiment, described pipeline through in described supporting structure a circular open,
And wherein, centering parts are around being arranged on around the first peripheral connecting plate, and are placed in by this way between the edge of described opening and the edge of described the first peripheral connecting plate plate, thus in circular open centered by described closed conduit.
In one embodiment, annular the 3rd plate be by its internal diameter be connected to the first plate in supporting structure end and
Pipeline has an isolation layer, and its outer support surface direction from the first plate to supporting structure extends to the top of described supporting structure, and is fixed on the 3rd plate.
In one embodiment, described housing is filled with porous insulation packing.
In one embodiment, a second pipe extends by the first plate in the direction of described supporting structure, thereby sets the passage between described housing and a pressure transducer.
In one embodiment, described connecting plate has tubular form, and the second collets are arranged on around described the first peripheral connecting plate, and all there is the window of square shape, it has a length that is greater than described connecting plate diameter, described pipeline is passed in the window at its center by this way, thereby is formed on the space between connecting plate and the second collets, is filled with porous insulation packing (36) in this space.
In one embodiment, it is characterized in that, described main adiabatic barrier comprises major insulation piece, it has the edge that a circular-arc side coordinates pipeline, wherein, described major insulation piece comprises the panel of itself carrying primary seal barrier of isolation layer carrying, described primary seal barrier comprises ripple, described panel comprises a slit through this panel and is positioned at the below of primary seal barrier ripple, and described isolation layer comprises that a slit is to have a side upper shed of circular shape, and on the slit of major insulation piece top plate, superpose in this way, thereby set one for fluid mobile passage between major insulation barrier and the ripple of housing.
In one embodiment, described pipeline is rigidly connected to and is arranged on a part of ducted supporting structure, this part pipeline is from described the second sealing layer and at parallel and direction pipeline the segment distance that is spaced, thereby makes the thermal shrinkage making progress the party at this pipeline equal the thermal shrinkage that the second insulation barrier makes progress the party.
Such as this storage tank, can form a part for land storage device, for example store LNG Liquefied natural gas (LNG), or can be arranged on coastal waters or abyssalpelagic floating structure, methane oil tanker particularly, unsteady storage device and again gasification installation (FSRU), float and produce, store and unloading (FPSO) device, etc.
In one embodiment, a kind of for transporting the ship of cold fluid product, comprise storage tank in a bivalve and reference bivalve described above.
In one embodiment, the invention provides a kind of for the method such as this ship loading or unloading, wherein, described cold fluid product is transferred to the storage tank of described ship or transfer to from the storage tank of described ship float storage device or land storage device from float storage device or land storage device by isolated pipe.
In one embodiment, the invention provides a kind of transmitting set for cold fluid product, described system comprises above-mentioned ship, isolated pipe and a pump, it transfers to the storage tank of described ship or transfers to from the storage tank of described ship float storage device or land storage device from float storage device or land storage device for driving cold fluid product by isolated pipe.
By convention, no matter with respect to the position of earth gravitational field where tank wall, " top " refers to the position that is positioned at more close described tank inside, and " below " refers to the position of more close described supporting structure.
A basic thought of the present invention is to provide a sealing and adiabatic storage tank, wherein, passage between tank inside and outside presents with the form of pipeline and passes through this tank wall, and wherein, tank wall is connected to the form of sealing the management that described pipeline guarantees to be stored in the fluid within tank wall thickness simultaneously.
Some aspect of the present invention derives from the idea of manufacturing a sealing storage tank by the help of sealing barrier, sealing barrier comprises that second sealing film connects with the form of sealing and around the housing of a sealing, this housing is around described pipeline and extend to the below of the second sealing barrier, thereby promotes the isolated of the second sealing film by a kind of like this mode.
Some aspect of the present invention derives from the idea that produces the sealing between pipeline and the second sealing film by the help of flexible sealing band, this flexible sealing band is fixed on surface and each sealing strip of being connected with described pipeline and has a straight flange, to simplify its assembling, be conducive to maintenance, adopt quantity flexible sealing band still less, and produce a joint reliably.
Some aspect of the present invention derives from the idea that produces the sealing area that is positioned at tank wall, sealing region the second sealing film and and the primary seal film of described fluid contact between, and a circuit is set, to guarantee effective circulation of the fluid within sealing area and housing.
Some aspect of the present invention derives from and produces idea thermal and mechanical stress to the storage tank of high-resistance.For this reason, some aspect of the present invention derives from the idea of described pipeline constrained vibration, thereby this pipeline is fixed on the joint that the element of tank wall is protected described element.Some aspect of the present invention derives from the idea with this fixing tube, offsets it with respect to the thermal shrinkage of tank wall, thereby restriction is for the thermal and mechanical stress of described joint.
The present invention will be understood better, and other object, details, and feature and advantage become more apparent in the present invention in by non-limiting example the following description process with reference to the specific embodiment of accompanying drawing.
Fig. 1 is the sectional view that includes the tank wall of fluid manifold device in one embodiment of the invention;
Fig. 2 is the sectional view from magnification region II in Fig. 1;
Fig. 3 is the partial, exploded perspective view of tank wall in Fig. 2;
Fig. 4 includes in Fig. 2 at described fluid manifold device to stop the tank wall fragmentary, perspective view of the second sealing film around;
Fig. 5 is the perspective exploded view through the fluid manifold device of described tank wall;
Fig. 6 is the perspective exploded view that is intended to be located near the major insulation piece of fluid manifold device in Fig. 2;
Fig. 7 is methane oil tanker storage tank and for the cross-sectional schematic of the terminal of this storage tank of load/unload.
By convention, no matter with respect to the position of earth gravitational field where tank wall, " top " refers to the position that is positioned at more close described tank inside, and " below " refers to the position of more close described supporting structure.
Fig. 1 has shown the fluid manifold device 2 through storage tank roof.
Such tank wall comprises from this tank inside and comprising successively to supporting structure 1: the primary seal barrier 3 contacting with the product that is stored in storage tank, one main adiabatic barrier 4, the second sealing barrier 5 and the second thermal insulation barrier 6, main adiabatic barrier, the second sealing barrier and the second adiabatic barrier are to form by resting the assembling of the precoated plate on frankincense pearl 9 substantially, and are fixed in supporting structure 1.
Tank can be made into various well-known geometrical shapies, for example prismatic geometrical shape in ship hull, or columniform geometrical shape by land, etc.
Supporting structure 1 comprises that a peripheral solder has the circular open 8 of pipeline 10, and this pipeline extends in the outside of described supporting structure 1.One metallic vapour manifold (7) is fixed on the inside of pipeline 10, and is intended to extract by fluid evaporator in storage tank the steam from producing.For this reason, menifold 7 passes in storage tank, through circular open 8 in tank wall, sealing barrier 3 and 5 and the center of insulation barrier 4 and 6, this manifold 7 is connected to the steam manifold outside storage tank, and it extracts this steam and transmits it, for example, be transmitted in the propelling machinery of boats and ships, for driving the propelling of boats and ships or sending a liquefaction plant to, afterwards, fluid is reintroduced in storage tank.
Sealing barrier 3 is connected with manifold (7) in the mode of sealing, similarly, sealing barrier 5 is connected with manifold (7) in the mode of sealing, and only have a passage to make to be present in two direction of flow second pipes 13 and 14 between sealing barrier, in this mode, region between the second sealing barrier 5 and primary seal barrier 3, forms the primary seal region being connected with 14 with two second pipes 13.
In addition, pipeline 10 is connected with menifold 7 with supporting structure 1 in the mode of sealing, this manifold comprises that isolation layer 11 is evenly distributed on its outer support surface, its diameter is less than circular open 8, in this mode, the region between isolation layer 11 and circular open 8 guarantees that fluid flows at the second insulation barrier and between the zone line between pipeline 10 and isolation layer 11.Thereby the region between zone line and supporting structure and the second insulation barrier 6 forms the second sealing area.
Two second pipes 13 and 14 are parallel in the interior manifold channels 7 of isolation layer 11 and extend, and manifold channels 7 is from the outside of pipeline 10 until extend to primary seal region.The first pipeline 13 is guaranteed to form a passage between primary seal region and an air extractor (not shown), and this air extractor can be monitored the fluid that is present in main region.Second pipe 14 can form a passage between main region and pressure measurement cell (not shown), and these two second pipes 13 and 14 mainly can enough nitrogen purge primary seals region.
Other two pipelines that do not show are in the drawings welded on pipeline 10 and introduce in the pipeline 10 in the second sealing area, also can monitor fluid and in the measurement of the second sealing area internal pressure.The pipeline that is connected to the second sealing area also can pass through nitrogen purge the second sealing area.
The situation of passing menifold 7 at the region II being below described in more detail in tank wall with reference to Fig. 2.
Be arranged near the precoated plate 12 of menifold pipeline 7, it comprises the low panel 15 of rigidity being supported by frankincense pearl 9.This low plate 15 carries polyurethane foam heat insulation layers 16 and forms the adiabatic barrier 6 of secondary with it.One flexibility or rigidity triple layer 17 sticks to substantially all heat insulation layers 16 in the second adiabatic barrier element 6, and described layer 17 forms the second seal isolation element 5.The second layer 18 part of covering layer 17 of polyurethane foam thermal insulation also adhere on it.One rigidity top plate 19 covers the second layer 18 of polyurethane foam thermal insulation and passes through its main adiabatic barrier 4 formations.
As mentioned above, with reference to figure 1, menifold pipeline 7 is through circular open 8, sealing barrier 3 and 5 and adiabatic barrier 4 and 6.Sealing between the second adiabatic barrier and manifold channels 7 is to form in the extension of this pipeline and the mode of obstructing tube 21 by the first plate 20, and this pipe 21 is crossed by the second plate with the form of sealing.In this mode, two plates 20 and 22 form housings.Flexible-belt 23 is fixed between layer the 17 and second plate 22, thereby produces the sealing that the second sealing barrier 5 intercepts.
Circular metal plate 20 is welded on around the manifold channels 7 between supporting structure 1 and the second sealing barrier 5.The whole peripheral solder of plectane 20 is to the inner support surface of metal tube 21, and the diameter of metal tube is less than the opening 8 of described supporting structure 1 and above plectane 14, extends until the region of close the second sealing barrier 5.
The second plate 22 is soldered to the upper end of pipe 21, and the second plate 22 has a square configuration, and comprises that one through the circular channel 25 of pipeline 7.Thereby the diameter of this circular channel 25 is greater than manifold channels 7 and stays between the second plate 22 and menifold pipeline 7 and leave a region.Due to this region, fluid can be at described sealing barrier 3 and 5, the main region between housing 24 circulates.
One tubular member 26 is soldered on the lower surface of the second plate 22, and concentrates on the passage 25 center of the second plate 22.The diameter on the inner support surface of tubular member 26 is substantially equal to manage 18 external diameter, in this mode, if they do not weld, and can be nested between the tubular member 26 of pipe the 21 and second plate 22 and can coordinate slip.Therefore, in the welding process of tubular member 26 and pipe 21, gap between the second plate 22 and supporting structure 1 can be adjusted, be used for placing the second plate 22 roughly on the horizontal line of the second sealing barrier 5, and pipe 21 is positioned the center with respect to the direction of described pipeline and the second plate 22 with the nested opening 25 that makes of tubular member 26.Weld seam between the first plate 20, pipe the 21 and second plate 22 is formed at around their all-round length, thereby produces in this way the sealing between these elements.
Pipe 21 also extends to circular plate 20 belows to the region of supporting structure 1 top, and a metal ring 27 has interior profile, is positioned at the pipe 21 of supporting structure upper area in order to welding.This ring 27 has a surface that is parallel to tank wall, with the isolation layer 11 of this manifold channels 7, is fixed on this surface.Circular plate 20 also comprises two holes 28, not shown in Figure 2 in order to weld respectively two second pipes 13 and 14().
The first plate 20, the second plates 22 and pipe 21 and tubular member 26 are made by stainless steel.
Piece 29 is crossed on precoated plate 12 and the second plate 22, thereby is formed on the element of the insulation barrier between manifold channels 7 and precoated plate 12.Similar precoated plate 12, this piece 29 comprises the isolation layer 31 that is supported on the second sealing barrier 5, this isolation layer 31 is to pass by a top plate 30.
Precoated plate 12 comprises the primary seal barrier 3 of ripple 32 with the top plate of piece 29 by the form support of sheet metal panel, these ripples 32 form elastic regions, for absorbing thermal shrinkage and quiet and dynamic pressure.This ripple or embossed metal flakes sealing barrier are especially at FR-A-1379651, and FR-A-1376525, is described in FR-A-2781557 and FR-A-2861060.The flange 33 in the L shaped cross section that primary seal barrier 3 passes through with the form of sealing connects manifold channels 7.This flange 33 is welded on thin plate and menifold pipeline 7.
With reference to Fig. 3, can find out in more detail at the element structure shown in Fig. 2: at manifold channels 7 and the centers of pipe 21 through supporting structure 1 opening 8, pipe 21 is positioned at the center of opening 8 by four centering pads 34 that are distributed in around, and with the mode support tube 21 of balance.These centering pads 34 are fixed by bolts in supporting structure 1 and by high density polyethylene (HDPE) to be made.Centering pad 34 can prevent from managing 21 and the vibration of manifold channels 7, thereby makes to prevent the deterioration at the second barrier 5 interior joints.
One glass wool packing 35 is introduced in housing 24, thereby the second plate 22 is positioned in pipe 21, makes the second plate 22 in the horizontal position roughly the same with the second sealing barrier.The tubular member 26 of the second plate is welded to pipe 21, in order to prevent that glass wool packing 35 from being lighted, and heat protector (not shown), prepositioned between packing 35 and pipe 21 and tubular member 26.This packing is porous, so that fluid free-flow in the housing between primary seal region and second pipe 13 and 14.
Pipe 21 is provided with two parts 36 of glass wool packing around, it all has than the larger square exterior contour of described the second plate 22, in two parts 36, each all has the interior profile of semi-circular shape, thereby supports on pipe 21 outer support surfaces and tubular member 26.
The second insulation barrier 6, the second sealing barriers 5 and major insulation barrier 4 are all prepared by precoated plate 12.Manifold channels 7 each panel 12 around has the global shape of a step type U-shaped, and form the second insulation barrier with collets under a U-shaped, sealing layer 17 covers the upper surface of collets completely, on one less U-shaped, collets 38 form the element of described major insulation barrier 4, thereby leave the unlapped seal coating 32 that is positioned at lower collets 37 whole fringe regions.This panel for insulation barrier can be prefabricated by the polyurethane foam being bonded together and wood veneer.Therefore, lower collets 37 comprise lower panel 15 and insulated sponge layer 16 and comprise the upper collets of isolation layer 18 and top plate 19, thereby two U-shaped precoated plates are placed side by side around two parts of the cotton packing 36 of glass.Each prefabricated panel 12 also comprises that chimney 42 can fix precoated plate 12 between erecting stage, and the bolt that makes prefabricated panel 12 use be welded in advance supporting structure 1 is fixed.
In four flexible-belts 23, each fixes and crosses over a side of the second plate 22, and the sealing layer 17 of uncovered area in U-shaped precoated plate 12.Flexible-belt has the help of polyurethane adhesive.Fig. 4 has shown the stickup of flexible-belt 23 in more detail.Two the first flexible-belt 23a fix and cross on the inner body of the prefabricated panel 12 of U-shaped, and these two flexible-belt 23b fix and cross at two prefabricated panels 12 and be fixed and cross over the second plate 22 at the first end of two flexible-belt 23a
Therefore, method of attaching of the present invention is reliable, is easy to realize in assembly process, has simplified any maintenance, because a narrow sticky sticking area has promoted separation.In addition, by stopping the second film 5, can paste in this way and can automatically complete.
Get back to Fig. 3, can find out that four pieces 29 are positioned on flexible-belt, thereby complete primary seal barrier.Piece 29 has a circular shape to coordinate manifold channels 7.The diameter of this circular arc is greater than the diameter of menifold pipeline, as shown in Figure 2.This can leave over a region for glass wool packing (not shown) between pipe 7 and piece 29.
Then, the sheetmetal of sealing barrier is fixed on major insulation barrier.Thereby they are positioned ripple 32 is intersected in the region of major insulation barrier, and this manifold channels is by major insulation barrier.In this mode, this area that menifold pipeline 7 passes is plane substantially, and can arrange and can weld with flange plate 33.
Fig. 5 has shown the second plate 22 in Fig. 2 and Fig. 3 more accurately.Rigid layer band 43 is fixed between the both sides and annular pass 25 of the second plate 22 square parts.Flexible seal layer band 23 is fixed on rigid layer.By this way, flexible layer band 23 can only be fixed on rigid seal layer.
Fig. 6 has shown the structure that can make the mobile piece 29 of fluid between ripple 32 and housing 24.Top plate comprises that a right angle slit 44 is by the panel between its upper surface and lower surface.In the process that primary seal barrier arranges, thereby two orthogonal ripples 32 are superimposed upon and on this slit 44, make the fluid that is positioned at ripple flow towards isolation layer 18.This isolation layer also comprises a connection slit 46, and corresponding to the slit 44 of top plate, three parallel slits 46 wherein extend and open above it in the circular arc part direction of piece.The slit 45 of the isolation layer 18 in piece 29 and 46 filling densities are the glass wool of 22 kg/m3.Gaseous fluid through top plate in this mode can flow out in the region of major insulation piece between major insulation piece and menifold 7 mobile.
This specified structure of major insulation piece 29, interval between circular channel 25, manifold channels and described housing 24 comprises that a porous packing 35 can create a circuit for promoting its flowing in primary seal region, particularly, from ripple 32 to second pipe 13 and 14, vice versa.
Similarly, the region between circular open 8 and pipe 21 can arrange a fluid circuit between second area and pipe 10, and these circuit are particularly used nitrogen to process the inert gas in tank wall.
In order to reduce the pressure being applied on manifold channels joint around, pipeline 7 fixes by the part 48 in pipeline 7, and the direction isolation of the inside of storage tank in respect to supporting structure 1 institute, by this way, the contraction of manifold channels 7 when experience low temperature equals the contraction of the second insulation barrier, and the second insulation barrier is fixed on the second plate 22 on the horizontal position in this region.The pressure of storage tank junction point reduces afterwards.This anchor comprises the conical metallic member 49 being welded on closed conduit 7, and conical metallic member 49 rests on the supporting surface of pipe 10.
Although this embodiment has described the above-mentioned menifold pipeline through storage tank roof, in another embodiment, pipeline can be through the tank wall of storage tank top side wall.
Above-mentioned storage tank can be used for dissimilar device, for example, be arranged on land or for example, at a floating structure, methane oil tanker etc.
With reference to Fig. 7, the sectional view of a methane oil tanker 70 has shown sealing and the insulation storage tank 71 that is arranged on boats and ships Double-casing 72 interior prism shapes.Tank wall 71 comprises that primary seal barrier is intended to contact with the LNG Liquefied natural gas in storage tank, the second insulation barrier is arranged in the Double-casing of primary seal barrier and ship, and two insulation barriers are arranged between primary seal barrier and secondary seal barrier and the second sealing barrier and Double-casing 72.
In a kind of self mode, the load/unload pipeline that is arranged on the upper deck pipeline of ship can be connected to by suitable Placement sea or terminal on the bank, thereby LNG goods is shifted or is transferred to from storage tank 71 storage tank 71.
Fig. 7 represents a maritime terminal, and it comprises 75, one, load/unload station submarine pipeline 76 and a land device 77.Load/unload station 75 is fixing offshore devices, it comprises transfer arm 74 and for supporting the tower 78 of transfer arm 74, transfer arm 74 is carried on a bundle insulation flexible pipeline 79 that load/unload pipeline 73 is connected, and displacement arm 74 is adapted to the ship loadometer of all methane oil tankers.One connecting tube (not shown), extends to the inside of tower 78.Loading and unloading station 75 can make methane oil tanker 70 be offloaded to onshore applications 77 or load methane oil tanker 70 from onshore applications 77, and the latter's device comprises liquefied gas storage 80 and by submarine pipeline 76, is connected to the connecting tube 81 at loading or unloading station 75.Submarine pipeline 76 transmits liquid gas very large distance internal conversion between loading or unloading station 75 and onshore applications 77, for example, have 5 kilometers, and this makes methane oil tanker 70 remain on bank off sea in loading and unloading operating process very large distance.
In order to produce the required pressure of conversion liquid gas, can use at the boat-carrying pump of ship 70 and/or be arranged on the pump of onshore applications 77 and/or be equipped on the pump at loading and unloading station 75.
Although the present invention is described in conjunction with specific embodiment, clearly, this is never limited to this, and the method for its description and all technical equivalents things of combination within its scope of the present invention of comprising.
The verb using " comprises ", and other outside not getting rid of described in those claims of " comprising " and " comprising " and their combining form exist element or step.Use element or the step of indefinite article " a ", unless otherwise described, can not get rid of a plurality of such elements or step and exist.
In the claims, the reference symbol in any bracket should not be construed as limitations on claims.
The foregoing is only preferred embodiment of the present invention; not thereby limit embodiments of the present invention and protection domain; to those skilled in the art; should recognize that being equal to that all utilizations specification of the present invention and diagramatic content done replace and the resulting scheme of apparent variation, all should be included in protection scope of the present invention.

Claims (16)

1. one be arranged at a supporting structure (1) the interior sealing for carry fluid and insulated storage tank, described storage tank comprises the tank wall being fixed in described supporting structure,
One tank wall has successively on described storage tank thickness direction from inside to outside, a primary seal barrier (3), and a main adiabatic barrier (4), one second sealing barrier (5), and one second adiabatic barrier (6),
Described storage tank also comprises a closed conduit (7) through tank wall, thereby is set in the inner space of storage tank and is arranged on the passage between the steam manifold outside storage tank,
It is characterized in that, described tank wall around closed conduit comprises:
One first plate (20) is connected with the periphery of pipeline (7) with the form sealing, and is parallel to described tank wall and extends, and described the first plate is spaced towards the described supporting structure (1) with respect to described the second sealing barrier (5),
It is peripheral that one first peripheral connecting plate (21) is fixed on whole described the first plate with the form sealing, and being parallel to closed conduit (7) extends, described the first peripheral connecting plate extends and forms an edge on tank wall thickness direction, it is outstanding towards the second sealing barrier with respect to described the first plate
The second collets (16), it is arranged in described the first peripheral connecting plate (21) described supporting structure around, and the second collets are coated with the first sealing layer (17) and form described the second sealing barrier (5)
One second plate (22) is parallel to described the first plate and the first sealing layer (17) that forms described the second sealing barrier at grade, described the second plate comprises the second connecting plate (26), its form with sealing is fixed on a surface being positioned in a direction, this direction is that described the second plate is towards described the first plate, and towards supporting structure, being parallel to pipeline protrudes, described the second connecting plate is fixed on the first peripheral connecting plate and around whole the first peripheral connecting plate with the form of sealing, these two spaced plates have been set a housing (24)
One flexible the second sealing layer (23) is fixed with the form sealing and across the second plate of described the first sealing layer and whole the second panel area,
Form an opening through described the second plate, thereby guarantee that gas flows in the main region between two sealing barriers and housing, and
One pipeline (13) extends through the first plate in described supporting structure direction, thereby sets the passage between described housing and described steam manifold.
2. storage tank as claimed in claim 1, it is characterized in that, described the second plate (22) comprises the dunnage of a square configuration, and described flexible the second sealing layer comprises flexible sealing band (39,41), each is all fixed on the respective edges of the square dunnage of described the second plate.
3. storage tank as claimed in claim 1 or 2, it is characterized in that, described the second plate (22) comprises a dunnage and is fixed on rigidity the 3rd sealing layer (43) of described support plate upper surface, described flexible the second sealing layer (23) being fixed on described the 3rd sealing layer is fixed on described the second plate (22) above, and described the second connecting plate is soldered on the reverse side of described support plate upper surface.
4. the storage tank as described in any one in claim 1 ~ 3, is characterized in that, any one in two connecting plates (21,26) has and be suitable for being nested in other connecting plate, and can be in the shape that is parallel to the square upward sliding of pipeline (7).
5. the storage tank as described in any one in claim 1 ~ 4, is characterized in that, the periphery of described the first plate (20) is one to be positioned at the circle of described closed conduit central authorities,
The first peripheral connecting plate (21) and the second connecting plate (26) have tubular form, and one of them external diameter of these two connecting plates is substantially equal to the internal diameter of another connecting plate, and
Described the first connecting plate with the second connecting plate in this way by mutually nested, thereby described second plate (22) of usining with respect to pipeline (7) is as center.
6. the storage tank as described in any one in claim 1 ~ 5, is characterized in that, described the first peripheral connecting plate (21) further extends upwardly to described supporting structure (1) top in the side of described supporting structure.
7. storage tank as claimed in claim 6, is characterized in that, described pipeline (7) through in described supporting structure a circular open (8),
And wherein, centering parts (34) are around being arranged on around the first peripheral connecting plate, and be placed in by this way between the edge of described opening (8) and the edge of described the first peripheral connecting plate plate, thus in circular open centered by described closed conduit.
8. the storage tank described in claim 6 or 7, is characterized in that, annular the 3rd plate (27) be by its internal diameter be connected to the first plate in supporting structure end and
Pipeline (7) has an isolation layer (11), and its outer support surface direction from the first plate to supporting structure extends to the top of described supporting structure, and is fixed on the 3rd plate.
9. the storage tank as described in any one in claim 1 ~ 8, is characterized in that, described housing (24) is filled with porous insulation packing (35).
10. the storage tank as described in any one in claim 1 ~ 9, is characterized in that, a second pipe (14) extends by the first plate in the direction of described supporting structure, thereby sets the passage between described housing (24) and a pressure transducer.
11. storage tanks as described in any one in claim 1 ~ 10, it is characterized in that, described connecting plate has tubular form, and the second collets (16) are arranged on around described the first peripheral connecting plate, and all there is the window of square shape, and it has a length that is greater than described connecting plate diameter, and described pipeline is passed in the window at its center by this way, thereby be formed on the space between connecting plate and the second collets, in this space, be filled with porous insulation packing (36).
12. storage tanks as described in any one in claim 1 ~ 11, it is characterized in that, described main adiabatic barrier comprises major insulation piece (29), described collets have the edge that a circular-arc side (47) coordinates pipeline (7), wherein, described major insulation piece (29) comprises the panel of itself carrying primary seal barrier of isolation layer carrying, described primary seal barrier comprises ripple, described panel comprises a slit (44) through this panel and is positioned at the below of primary seal barrier (3) ripple (32), and described isolation layer comprises a slit (45, 46) be to there is a side upper shed of circular shape, and on the slit of major insulation piece top plate, superpose in this way, thereby set one for fluid mobile passage between major insulation barrier and the ripple of housing.
13. storage tanks as described in any one in claim 1 ~ 12, it is characterized in that, described pipeline is rigidly connected to and is arranged on a part of ducted supporting structure (1), this part pipeline is from described the second sealing layer (40) and at parallel and direction pipeline (7) the segment distance that is spaced, thereby makes the thermal shrinkage making progress the party at this pipeline (7) equal the thermal shrinkage that the second insulation barrier (6) makes progress the party.
14. 1 kinds for transporting the ship (70) of cold fluid product, comprises a bivalve (72) and according to the storage tank in described bivalve that is arranged on described in claim 1 ~ 13 any one.
15. ships (70) as described in claim 14, for the cold fluid product of loading or unloading one, it is characterized in that, described cold fluid product is by isolated pipe (73,79,76,81) from float storage device or land storage device (77), transfer to the storage tank (71) of described ship or transfer to from the storage tank (71) of described ship float storage device or land storage device (77).
16. 1 kinds of transmitting sets for cold fluid product, it is characterized in that, described system comprises ship as claimed in claim 14 (70), by being arranged on float storage device or land storage device (77) of storage tank and on the hull of described ship, be communicated with, isolated pipe (73,79,76,81) and a pump, described pump is used for driving cold fluid product by isolated pipe, from float storage device or land storage device, transfers to the storage tank of described ship or transfers to from the storage tank of described ship float storage device or land storage device.
CN201280063030.6A 2011-12-20 2012-11-16 Tank wall equipped with pipeline Active CN103998852B (en)

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FR1162105A FR2984454B1 (en) 2011-12-20 2011-12-20 TANK WALL COMPRISING A CONDUIT
FR1162105 2011-12-20
PCT/FR2012/052647 WO2013093261A1 (en) 2011-12-20 2012-11-16 Vessel wall comprising a pipe

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KR101959400B1 (en) 2019-07-02
KR20190028560A (en) 2019-03-18
FR2984454A1 (en) 2013-06-21
KR102029862B1 (en) 2019-10-08
KR20140105023A (en) 2014-08-29
CN103998852B (en) 2016-09-14
WO2013093261A1 (en) 2013-06-27
FR2984454B1 (en) 2015-04-03

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