• 专利附录
  • 专利说明
  • 权利要求
  • 类似技术
  • 同族专利
  • 引用文献
  • 法律状态
  • 优先权
    • 专利摘要:
    The invention relates to a device that forms the structure of a thermally insulating wall of a heat-insulated sealed fluid reservoir. The purpose of the invention is to increase efficiency by accelerating and simplifying the detection of fluid leaks, as well as increasing strength. The wall has a sealing gasket joint, in which on each side there is at least one additional gasket made of heat-insulating flexible and expanding material, laid in the corresponding recess in the gasket body and connected to it. adjacent panels are in a compressed free state against an adjacent panel and are U-shaped. Such gaskets can be installed at the height of the notch. Additional gaskets have a liquid-tight but gas-permeable coating, for example, from Kraft's paper, with the exception of the end facing the inner wall of the device. Thus, each gasket acts as a gutter for fluid leaks. In addition, a heat insulating tile covering the sealing strip for its hardening contains a layer of fiber fabric glued to the bottom of the recess for the tile. In the lower part of the tile, chamfers can be removed to collect excess glue 2 sec. and 4 s „p. f-ly, 1 ill. Ј (L
    公开号:SU1637669A3
    申请号:SU874202711
    申请日:1987-06-02
    公开日:1991-03-23
    发明作者:Битиль Мишель；Делиот Клод
    申请人:Сосьете Нувель Текнигаз (Фирма)；
    IPC主号:
    专利说明:

    The invention relates to a device that forms a thermally insulating wall of a chamber or a thermally insulated tank for storing or storing a very cold liquid, such as liquefied natural gas.
    The purpose of the invention is to increase efficiency by accelerating and simplifying the detection of fluid leaks as well as increasing strength.
    The drawing shows the proposed thermal insulation wall, a partial section
    In the tank, combined with the hull or hold of a tanker for transporting liquefied natural gas, the structure of the proposed insulated sealed wall consists of the following parts (if viewed sequentially from the outside to the inside): external self-supporting or rigid wall 1,
    from 1
    a ze; o
     s
    in particular, metal, which may be a steel double hull of the vessel, the outermost layer 2 in the form of a grid of strips or plates of mastic or other equivalent material along separated mastic coating lines, which provides a connection between wall 1 and other elements, the intermediate layer 3 of heat insulating material formed from adjacent panels 4, separated from one another and secured to the outer wall 1 at individual points using studs 5, welded to the outer wall 1 in advance, the gaps between adjacent panels are filled with sealing strips 6 of joints made, for example, of rigid cellular insulating material, for example polyurethane foam with closed cells, while sealing joints gaskets inside are closed by strips of strips 75 of the inner impenetrable wall 8S which is fixed on the inner side of the intermediate layer 3 and is made of a thin metal sheet in the form of a membrane, undulating, corrugated in the form of folds of ribs, for example, stainless steel. Wall 8 has at least one series of waves 9 at a parallel distance from one another and with a protrusion from the inside.
    Each panel 4 consists (from outside to inside) of an outer sheet 10 of plywood, an intermediate sheet 11 of insulating material, such as polyurethane foam, in the form of several overlapping layers, which are much thicker than the thickness of the outer layer 10, an additional hermetic wall 12, which, together with overlays 7 forms a secondary hermetic barrier, an extreme heat insulating tile 13, which is a separating layer between two separated tightness barriers, respectively secondary 7, 12 and primary 8. This The layer is formed by aligned, loosely laid elements that form tiles with opposite sides or edges parallel to the respective directions of the waves 9 of the wall 8. The tiles 13 are one distance apart and are sized so that each separating gap
    0
    five
    14 between two adjacent tiles was located exactly to the right of wave 9 of the primary barrier 8 and went along this wave. The relatively rigid separation layer 15, made of sheets such as plywood or suitable synthetic material, is located between the tile 13 and the primary barrier 8.
    The separation of tile 13 into parts contributes to thermal expansion and contraction of not only the tile itself, but also the wall 8, as a result of which residual internal stresses decrease due to thermal changes. Tile 13 is made of synthetic cellular material, in particular, foamed, for example polyurethane, which is relatively resilient compared to a separating relatively stiffer layer 15, which is not continuous, but torn, respectively, at each gap 14 between the tiles 13 so as not to interfere , due to the relative stiffness, thermal deformations. The separating layer 15 is attached to the various elements forming the Shchim tile 13 by gluing at the time of preliminary manufacture of these elements.
    Each stud 5 holds a corresponding panel 4 with a pressure nut 16, which is attached to the inside of the plywood sheet 10 through an intermediate plywood plate 17, the nut is screwed to the bottom of the groove in the corresponding sealing gasket 6. The pin 5 compresses the plate 15 and part of the sheet 10 between the nut 16 and the metal stop 18, which is screwed into the stud under the sheet 10.
    The various sheets and layers that form the panel 4 are glued together with each other at the time of preliminary factory production, while the outer sheet 10 of plywood is glued to the outer layer 2, after 0 fixing the panels 4 to the outer wall 1 "
    The wall 12 and the pads 7 are made of a layered three-layer material. Wall 12 is embedded in panel 4 5 so that there is a gap between it and wall 8.
    In each panel 4, along each edge adjacent to the adjacent pa5
    0
    five
    However, there is a longitudinal recess 19, creating a step 20, which leaves open an extreme strip corresponding to the additional wall. Plate 7 overlaps opposite ledges 20 of two adjacent panels 4 and is hermetically attached, for example, by gluing to the ledges, closing the gasket 6, thereby ensuring the continuity of the additional wall. Tile 13, located above the corresponding sealing gasket 6, fills the volume defined by the corresponding grooves 19 of two adjacent panels 4 (as shown by the dash-dotted lines in the drawing), so as to ensure continuity of the supporting side of the inner wall 8 (tile 13 is shown in drawing in reduced volume relative to actual volume) o
    Each sealing gasket 6 is mounted at the junction between two adjacent intermediate sheets 11 and glued during installation with the extreme opposite sides of the upper and lower plates 17 and the strip 7, respectively, but there is no side kpeyushchy fastening of the gasket to the longitudinal sides of the intermediate sheets 11 o Fastening by gluing the underside of the gasket 6 is made with a thick layer of glue of the resin type with a filler, which makes it possible, during preliminary manufacture, to glue the case with subcontroller to the base of the groove between two adjacent surrounding sheets 11, and the uppermost edge for the final assembly of the gasket 6 remains aligned with the flat inner side of the intermediate sheet 11.
    In each sealing gasket 6 on each side. Against the longitudinal edges of the intermediate sheets there is at least one additional gasket 21 made of an insulating resilient compressible or expandable material which is placed in a corresponding recess 22 in the sealing grommet 6. Each additional gasket 21 is connected, for example, by gluing with a gasket 6 at the time of prefabrication. In the mounting position of the gasket 6 shown in the drawing
    ten
    between two adjacent intermediate sheets 1-1, each additional seal 21 is in a free compressed state against the adjacent intermediate sheet 11.
    Preferably, each additional gasket 21 is made of a glass wool swab that is closed on the outside, with the exception of the extreme side turned to the additional wall 12, with a film 23 of a material that is sealed for a cold liquid and gas permeable.
    c good low temperature properties, i.e. non-thermal Such a film of pressurized material may be a Kraft paper sheet, thus each additional gasket consists of a glass wool swab covered on the outside with a Kraft paper sheet and transversely folded in the shape of a U letter. Each gasket 21 works like a liquid collection chute that passes through
    5 provides an additional wall, but due to gas-permeable pores, it provides pressure equalization of the gases in the gasket 21 and quick and easy leak detection, as well as baffling the structure either by blowing inert gas, or by alternating vacuum and inert cycles. gas. At least two such folded tampons should be provided on both sides of the gasket 6 in the corresponding recesses 2 2,
    权利要求:
    Claims (5)
    [1]
    1. Thermal insulating wall of a pressurized tank for liquids, co0
    five
    0
    five
    0
    five
    holding an external rigid wall, an internal impermeable wall made in the form of a membrane and mounted at a distance from the external wall, an intermediate layer of heat insulating material placed in the interwall space, attached to the external wall, supporting the internal wall and having adjacent one to another panel, joints between which they are sealed with gaskets, sealed for gas, and each gasket has additional gaskets located on its sides in the corresponding grooves, Made of glass wool tampon, connected to the main gasket and freely installed relative to the adjacent panels, characterized in that, in order to increase efficiency by accelerating and simplifying the detection of fluid leaks, each tampon is U-shaped and coated from a non-heat-conducting film, liquid-tight and gas-permeable, while the coating is located on the outer surface of the tamgas with the exception of its face facing the inner wall
    [2]
    2. The wall according to claim 1, characterized in that the film is made of Kraft paper.
    [3]
    3 "Wall according to claims 1 and 2, characterized in that it is provided
    with additional tampons set in the notch height.
    [4]
    4. A wall according to claims 1-3, characterized in that the tampons are connected. with gaskets by means of glue.
    [5]
    5. Node of thermal insulating wall of pressurized reservoir for liquid .; containing an additional hermetic wall placed in the intermediate layer of heat insulating material, installed at a distance from the inner and outer walls, and in the adjacent panels located in the intermediate layer there are notches located between the inner and additional walls opposite the buttwork strip and forming the ledges and the tile corresponding to the notches from the heat-insulating material, covering the interface surface and forming a continuous surface of the inner wall, while tightly at the bottom of the grooves Leena or fixed band lining covering-joint gasket
    and forming a continuous surface of an additional wall, characterized in that, in order to increase strength, the tile is provided with a layer of fiberglass cloth glued to the bottom of the grooves on the side of the patch.
    6. An assembly according to claim 5, characterized in that the two lower longitudinal edges of the tile are chamfered.
    类似技术:
    公开号 | 公开日 | 专利标题
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    US3555758A|1971-01-19|Panel and sealed joint structure
    FI113083B|2004-02-27|Waterproof and heat insulated container, which has improved longitudinal cross sections of the space angles
    US4105819A|1978-08-08|Laminated sheets particularly for cryogenic enclosures, pipes, and the like
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    US4313993A|1982-02-02|Laminated insulation
    US5586513A|1996-12-24|Watertight and thermally insulating tank built into a bearing structure
    US3150795A|1964-09-29|Membrane tanks
    US4050609A|1977-09-27|Heat insulating device for low temperature liquified gas storage tanks
    US3931424A|1976-01-06|Prefabricated thermal insulation structure and method
    US20030061777A1|2003-04-03|Reflective heat insulation
    US3400849A|1968-09-10|Tanks for the storage and transport of cryogenic fluids
    JP2000038191A|2000-02-08|Waterproof and heat-insulated tank incorporated in ship supporting structure and simplified in insulating barrier
    US20100297379A1|2010-11-25|Method for making an insulating and tight wall for a tank
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    RU2258118C1|2005-08-10|Building panel |
    US4071993A|1978-02-07|Construction material in sheet form and method of joining sheets edge-to-edge
    JP2000038190A|2000-02-08|Waterproof and heat-insulated tank incorporated in ship supporting structure and improved in heat insulating barrier
    RU2514458C2|2014-04-27|Contact area of auxiliary membrane for liquefied natural gas tank
    USRE29804E|1978-10-17|Insulating wall unit
    KR100457880B1|2004-11-18|Cargo containment system for LNG ship
    同族专利:
    公开号 | 公开日
    YU46316B|1993-05-28|
    NO168728B|1991-12-16|
    EP0248721A1|1987-12-09|
    JPH0814360B2|1996-02-14|
    PL266039A1|1988-06-09|
    US4747513A|1988-05-31|
    KR940011618B1|1994-12-22|
    ES2011053B3|1989-12-16|
    FR2599468A1|1987-12-04|
    DE3760565D1|1989-10-19|
    KR890000830A|1989-03-16|
    NO872311D0|1987-06-02|
    EP0248721B1|1989-09-13|
    PT84997B|1993-07-30|
    PT84997A|1988-07-01|
    NO872311L|1987-12-04|
    JPS6323099A|1988-01-30|
    PL154596B1|1991-08-30|
    NO168728C|1992-03-25|
    YU101687A|1989-06-30|
    FR2599468B1|1988-08-05|
    引用文献:
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    US3489311A|1967-05-25|1970-01-13|Aerojet General Co|Tanks for storage of liquefied gas|
    FR2271497B1|1974-01-24|1976-10-08|Technigaz|
    FR2302982B1|1975-03-04|1980-01-25|Technigaz|
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    US4050609A|1976-09-13|1977-09-27|Hitachi Shipbuilding & Engineering Co.|Heat insulating device for low temperature liquified gas storage tanks|
    US4107833A|1976-12-09|1978-08-22|General Electric Company|Structural support for a refrigerator|
    US4190305A|1976-12-09|1980-02-26|General Electric Company|Structural support for a refrigerator|
    JPS62270896A|1986-05-19|1987-11-25|Nippon Kokan Kk <Nkk>|Secondary barrier block construction for membrane tank|JPH04140251A|1990-09-30|1992-05-14|Koufu Nippon Denki Kk|Paper sheet shifting device|
    FR2691520B1|1992-05-20|1994-09-02|Technigaz Ste Nle|Prefabricated structure for forming watertight and thermally insulating walls for containment of a fluid at very low temperature.|
    FR2700801B1|1993-01-28|1995-04-21|Technigaz Ste Nouvelle|Buried tank with single sealed enclosure for confining, for example, a liquefied gas, and arrangement of such tanks.|
    FR2724623B1|1994-09-20|1997-01-10|Gaztransport Et Technigaz|IMPROVED WATERPROOF AND THERMALLY INSULATING TANK INTEGRATED INTO A CARRIER STRUCTURE|
    TW470837B|2000-04-21|2002-01-01|Matsushita Refrigeration|Vacuum heat insulator|
    FR2822815B1|2001-03-27|2003-10-31|Gaz Transport & Technigaz|MACHINE FOR BONDING A STRIP, METHOD OF BONDING A STRIP FOR PRODUCING AN INSULATING AND SEALED WALL, AND INSULATING AND SEALING WALL|
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    NO20023077A|2002-06-25|2003-05-26|Statoil Asa|Fluid storage tank and method of constructing such tanks|
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    FR2861060B1|2003-10-16|2006-01-06|Gaz Transport & Technigaz|WATERPROOF STRUCTURE AND TANK PROVIDED WITH SUCH A STRUCTURE|
    JP2006017213A|2004-07-01|2006-01-19|Ishikawajima Harima Heavy Ind Co Ltd|Cold insulation sealing structure of low-temperature fluid storage tank|
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    JP4451439B2|2006-09-01|2010-04-14|韓国ガス公社|Structure for forming a storage tank for liquefied natural gas|
    CN101688640B|2007-05-29|2011-06-08|现代重工业株式会社|LNG storage tank insulation system having welded secondary barrier and construction method thereof|
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    法律状态:
    优先权:
    申请号 | 申请日 | 专利标题
    FR8607981A|FR2599468B1|1986-06-03|1986-06-03|THERMALLY INSULATING WALL STRUCTURE OF WATERPROOF TANK|
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