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Liquefied-gas carrying vessel

A technology for transport ships and liquefied gas, applied in the field of LNG ships, can solve the problems of increased hull weight, improved navigation performance, hull resistance, etc., and achieves the effects of reducing width, improving navigation performance, and reducing hull resistance.

Inactive Publication Date: 2010-10-06
MITSUBISHI HEAVY IND LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0004] However, in the liquefied gas transport ship disclosed in the above-mentioned Patent Document 1, it is necessary to ensure the longitudinal strength of the ship required by the rules of the classification association and the like (relative to the fore and aft (longitudinal) direction, The strength of the goods, the bending force and the shearing force generated by the wave force)
Therefore, there is a problem that the width of the hull inevitably increases, the resistance of the hull and the weight of the hull increase, and sailing performance cannot be improved as expected.

Method used

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Embodiment Construction

[0033] Below, refer to Figure 1A to Figure 4 One embodiment of the liquefied gas carrier of the present invention will be described.

[0034] Figure 1A It is the right side view of the liquefied gas carrier of this embodiment, Figure 1B It is a plan view of the liquefied gas carrier of this embodiment, figure 2 yes Figure 1A II-II to view the sectional view, Figure 3A It is a figure of the liquefied gas carrier of this embodiment, and it is Figure 1A A-A sectional view, Figure 3B It is a figure of the liquefied gas carrier of this embodiment, and it is Figure 1B The B-B direction section view, Figure 4 yes Figure 1A Section view of IV-IV direction.

[0035] Such as Figure 1A , Figure 1B and Figure 3A As shown, the liquefied gas carrier ("LNG ship" in this embodiment) 1 of this embodiment is, for example, a ship equipped with four aluminum spherical tanks (also referred to as "Moss type spherical tanks") 2, The spherical tank 2 made of aluminum is configur...

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Abstract

This aims to provide a liquefied-gas carrying vessel capable of reducing the width of a hull and reducing a hull resistance and a hull weight, thereby to improve a navigation performance. The liquefied-gas carrying vessel (1) comprises a plurality of spherical tanks (2) stored therein with a liquefied gas, arranged along a bow-stern direction and fixed in a hull (5) through a skirt, and one continuous tank cover (7) covering the upper halves of the spherical tanks (2) and extending along the bow-stern direction and the beam direction. The tank cover (7) is constituted such that it is rigidly jointed to the hull (5), thereby to retain the longitudinal strength integrally with the hull (5).

Description

technical field [0001] The present invention relates to a liquefied gas carrier, in particular to an LNG carrier which transports liquefied natural gas (LNG) stored at low temperature in a Moss type spherical tank. Background technique [0002] As a liquefied gas transport ship that stores and transports liquefied natural gas (LNG) at a low temperature in a Moss system spherical tank, for example, a liquefied gas transport ship disclosed in Patent Document 1 is known. [0003] Patent Document 1: Japanese Patent Application Publication No. 5-49519. [0004] However, in the liquefied gas transport ship disclosed in the above-mentioned Patent Document 1, it is necessary to ensure the longitudinal strength of the ship required by the rules of the classification association and the like (relative to the fore and aft (longitudinal) direction, cargo, the bending force and shearing force generated by the wave force). Therefore, there is a problem that the width of the hull inevita...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B63B25/16
CPCB63B25/16B63B3/16B63B15/00B63B2025/087B63B71/00B63B11/04B63B17/0027B63B25/24F17C3/025F17C13/082F17C2221/033
Inventor 津村健司佐藤宏一塚本泰史
Owner MITSUBISHI HEAVY IND LTD
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