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Combined imo type A cargo containment system for ultra-low temperature liquefied gas transport ships

A technology for liquefied gas and transport ships, which is used in bulk cargo, transportation and packaging, hull and other directions, can solve problems such as lack of technical solutions, and achieve the effect of reducing strength and fatigue design requirements, improving strength, and reducing usage.

Active Publication Date: 2018-04-06
JIANGSU UNIV OF SCI & TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0004] At present, there is a lack of perfect technical solutions to solve the above problems.

Method used

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  • Combined imo type A cargo containment system for ultra-low temperature liquefied gas transport ships
  • Combined imo type A cargo containment system for ultra-low temperature liquefied gas transport ships
  • Combined imo type A cargo containment system for ultra-low temperature liquefied gas transport ships

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Embodiment Construction

[0024] The present invention will be further described in detail below in conjunction with the accompanying drawings and specific embodiments, but the protection scope of the present invention cannot be limited by this.

[0025] Such as Figure 1 to Figure 6 As shown, the present invention is a combined IMO A-type cargo containment system for ultra-low temperature liquefied gas transport ships, including a double-layer ship hull 1 and an IMO A-type standard liquid cargo tank 2, between the double-layer ship hull 1 and the liquid cargo tank 2 It is supported by low temperature resistant metal structural parts 3 and support pads 4 made of laminated wood or composite resin materials. A high-performance composite polyurethane insulation layer 5 is fixed on the side close to the double hull 1 in the void between the double hull 1 and the IMO Type A standard liquid cargo tank 2, and a layer of invar material is placed on the surface of the composite polyurethane insulation layer 5 ...

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Abstract

The invention discloses a combined IMO A-type cargo containment system for an ultra-low-temperature liquefied gas transport ship. The combined IMO A-type cargo containment system comprises a bilayer hull and an IMO A-type standard liquid cargo tank, and a low-temperature-resistant metal structural member and a supporting cushion block are arranged between the bilayer hull and the liquid cargo tank for supporting; an insulating layer is fixed on one side close to the bilayer hull, a fully-sealed thin film layer made from an invar material is arranged on the surface of the insulating layer, and the insulating layer and the fully-sealed thin film layer are hermetically connected by a stainless steel connecting member; the IMO A-type standard liquid cargo tank serves as a main barrier layer, the fully-sealed thin film layer and the insulating layer are combined together through the stainless steel connecting member to form a secondary barrier layer which is not complete, and sliding is allowed between the secondary barrier layer and the bilayer hull, so that the secondary barrier layer cannot be torn along with deformation of the bilayer hull. Consumption of ultra-low-temperature steel which is expensive is lowered, and building cost is lowered; capability of the secondary barrier layer of the cargo containment system in approaching for direct inspection and maintenance is realized.

Description

technical field [0001] The invention relates to a cargo containment system for a liquefied gas transport ship, in particular to a combined IMO A type cargo containment system for an ultra-low temperature liquefied gas transport ship. Background technique [0002] The ultra-low temperature liquefied gas carrier is a special ship for transporting liquefied gas at ultra-low temperatures. Its cargo mainly includes LNG (Liquefied Natural Gas) and LEG (Liquefied Ethane Gas) and other liquefied gas that needs to be transported at an ultra-low temperature of minus 86 to 163 degrees Celsius. A high-tech, high-difficulty, and high-value-added "three-high" product is a "sea super refrigerated truck". [0003] When using large-scale transport ships to transport ultra-low temperature liquefied gas, it is mainly necessary to consider that the ultra-low temperature liquefied gas must be constructed of stainless steel or high-nickel steel that can withstand the corresponding ultra-low tempe...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B63B3/20B63B3/56B63B9/00B63B25/16
CPCB63B3/20B63B3/56B63B25/16B63B71/00
Inventor 王庆丰刘亚林李红朱国锋
Owner JIANGSU UNIV OF SCI & TECH