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    Cryogenic insulation system
    24.
    发明授权
    Cryogenic insulation system 失效

    公开(公告)号：US4116150A

    公开(公告)日：1978-09-26

    申请号：US665285

    申请日：1976-03-09

    Applicant: Thomas E. McCown

    Inventor： Thomas E. McCown

    IPC: B63B25/16 ,  F16L59/00 ,  F17C3/04 ,  F17C13/00 ,  B63B25/08 ,  B65D25/18

    CPC classification number: F17C3/04 ,  B63B25/16 ,  F16L59/00 ,  F17C13/001 ,  F17C2201/0157 ,  F17C2201/052 ,  F17C2203/032 ,  F17C2203/0333 ,  F17C2203/0345 ,  F17C2203/0354 ,  F17C2203/0604 ,  F17C2203/0631 ,  F17C2203/0643 ,  F17C2203/0651 ,  F17C2209/2118 ,  F17C2209/221 ,  F17C2209/227 ,  F17C2221/033 ,  F17C2223/0161 ,  F17C2223/033 ,  F17C2260/033 ,  F17C2260/037 ,  F17C2260/038 ,  F17C2270/0105 ,  F17C2270/011 ,  F17C2270/0189 ,  F17C2270/0194 ,  Y10S220/901 ,  Y10S220/902

    Abstract: Cryogenic insulation system for containers for storage of cryogenic liquefied gases such as LNG, comprised of a low temperature resistant metal, preferably high nickel steel, primary membrane or liner supported by a primary layer of reinforced foam insulation, and a secondary liner positioned adjacent to and sandwiched between the primary layer of foam insulation and a secondary layer of reinforced foam insulation. The preferably high nickel steel primary liner or membrane is attached to the primary layer of foam insulation by tongues of high nickel steel connected to the primary membrane at spaced positions therealong, and engaged in plywood retainers positioned within and bonded to the primary foam insulation layer. The plywood retainers for such tongues include spaces or channels in communication with a manifold for detection of cryogenic gas leakage. There is provided at corners, particularly at 90.degree. corners, and disposed within the primary and secondary foam insulation layers, a cooperating system of a plastic coupler, threaded rod and plywood supports, the plywood supports being attached to the primary high nickel steel liner and the coupler to the container wall or ship hull. For oblique corner angles such as 135.degree. angles of the cryogenic container or tank, there is provided a system of high nickel steel corner members welded to the primary high nickel steel liner, such corner members being supported on angular plywood corner supports positioned in the primary foam layer. Support systems at three way corners are also provided, including a trihedron angle member connected to the primary liner, plywood supports for the primary liner at such corners, such plywood supports being positioned in the primary foam insulation adjacent the primary high nickel steel liner, and a combination of tubes, e.g. fiber glass tubes, connected at one end to the trihedron angle member and at the other end to the container or tank wall. Stand-off or insulation support panels can also be provided for the entire insulation system, together with means to maintain the panels spaced from the container wall or ship hull.

    Apparatus for inhibiting explosive mixing of liquid natural gas and water
    25.
    发明授权
    Apparatus for inhibiting explosive mixing of liquid natural gas and water 失效
    用于抑制液体天然气和水的爆炸性混合的装置

    公开(公告)号：US4088193A

    公开(公告)日：1978-05-09

    申请号：US654518

    申请日：1976-02-02

    Applicant: Stirling A. Colgate

    Inventor： Stirling A. Colgate

    IPC: A62C3/10 ,  B63B25/12 ,  B63B43/00 ,  F17C13/12 ,  A62C13/40

    CPC classification number: F17C13/126 ,  A62C3/10 ,  B63B25/12 ,  B63B43/00 ,  F17C2221/033 ,  F17C2223/0161 ,  F17C2223/033 ,  F17C2260/037 ,  F17C2260/042 ,  F17C2270/0105

    Abstract: Fluid-fluid explosive self-mixing of water and liquid natural gas contained in a cryogenic tank located in a hold of a ship is inhibited, in the event that the hold of the ship and the cryogenic tank are ruptured, by confining an inert gas under pressure in a multiplicity of tubes surrounding the cryogenic tank, the pressure of the inert gas in the tubes being such that the inert gas flows from the tubes to form a blanket of inert gas between liquid natural gas and water upon rupture of any tube or tubes.

    Abstract translation: 通过将惰性气体限制在船舶和低温罐的保持状态下，在船舶舱内的低温罐中所含的水和液体天然气的流体 - 液体爆炸性自混合被抑制 围绕低温罐的多个管中的压力，管中的惰性气体的压力使得惰性气体从管流出，在任何管或管的破裂时形成液体天然气和水之间的惰性气体层 。

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