LNG ship liquid tank supporting device used as one part of sun shielding
A support device and a part of the technology, applied in the field of cryogenic liquid natural gas ships, can solve problems such as cracks and inability to ensure the integrity of secondary shielding, and achieve the effect of ensuring strength
Inactive Publication Date: 2019-08-16
CHINA MERCHANTS HEAVY IND JIANGSU
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Problems solved by technology
Although the mechanical performance of the pressure-bearing wood in the low temperature environment can meet the requirements, it has the possibility of cracks in the low temperature environment, which cannot guarantee the integrity of the secondary shielding
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[0030] The above-mentioned technical features and advantages of the present invention will be described in more detail below in conjunction with the embodiments.
[0031] In order to make the purpose and technical solutions of the embodiments of the present invention more clear, the technical solutions of the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings of the embodiments of the present invention. Apparently, the described embodiments are some, not all, embodiments of the present invention. Based on the described embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.
[0032] Those skilled in the art can understand that, unless otherwise defined, all terms (including technical terms and scientific terms) used herein have the same meaning as commonly understood by t...
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The invention relates to an LNG ship liquid tank supporting device used as one part of sun shielding. The LNG ship liquid tank supporting device used as one part of sun shielding comprises upper and lower pressure bearing timbers; and the pressure bearing timbers are connected with each other by using a stainless steel structure and low temperature epoxy. The lower part of a base is connected witha bottom plate in a ship through low temperature epoxy. The upper surface of the stainless steel structure and an insulated layer are connected with each other by using a low temperature resistant and LNG shielding resistant film. According to the LNG ship liquid tank supporting device used as one part of sun shielding, the strength and low temperature resistance of the base can be guaranteed; itcan also be guaranteed that a low temperature liquid is isolated by a steel plate with the middle part connected with the stainless steel structure and cannot leak to the bottom in the ship even though the timbers are damaged or cracked at a low temperature; and the integrity of sub shielding is also guaranteed.
Description
technical field [0001] The invention relates to the technical field of a cryogenic liquid natural gas ship, in particular to a liquid tank supporting device of a low temperature liquid natural gas ship as a part of a secondary shield. [0002] technical background [0003] At present, the domestic shipbuilding industry is developing towards products with high added value, high technology content and high construction difficulty, and large LNG carriers are one of them. [0004] The key technologies of LNG carriers are concentrated in the liquid tank area. According to the requirements of the "International Code for the Construction and Equipment of Ships Carrying Liquefied Gases in Bulk" ("IGC" for short, hereinafter referred to as the "IGC Code"), type A tanks require a complete secondary barrier, and the design of the secondary barrier needs to have good tightness and be able to temporarily Storage of leaked liquefied natural gas reaching -163°C; at the same time, it needs ...
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IPC IPC(8): B63B25/08B63B25/16
CPCB63B25/082B63B25/16
Inventor 佘小林
Owner CHINA MERCHANTS HEAVY IND JIANGSU