A support device for a marine independent liquid tank

Abstract

The invention relates to a marine supporting device for an independent liquid tank. The marine supporting device comprises a hull base (1), a heat insulation cushion block (3) and a liquid tank shell (6). An arc-shaped liquid tank saddle (4) is fixedly connected to the bottom of the liquid tank shell. The upper surface of the arc-shaped liquid tank saddle is fixedly connected with the outer surface of the liquid tank shell. The heat insulation cushion block is placed between the lower surface of the arc-shaped liquid tank saddle and the hull base. The arc-shaped liquid tank saddle is coated with an outer liquid tank heat preservation layer (5) located on the periphery of the liquid tank. The section shape of the upper surface of the hull base is identical to the section shape of the lower surface of the arc-shaped liquid tank saddle, and each section shape is a V shape with the axis of the liquid tank shell as the center line and is symmetric left and right. By the adoption of the marine supporting device, when goods such as LNG with a lower boiling point is loaded and transported, a supporting base can be tightly attached to the independent liquid tank shell all the time, and necessary vertical supporting and transverse supporting are provided.

Description

technical field [0001] The invention relates to a support device for a marine independent liquid tank, in particular to a device for supporting a C-type independent liquid tank in a ship. Background technique [0002] Currently, there are traditionally multiple solutions for ships carrying liquefied natural gas (LNG) or similar low-boiling cargoes. One of them is the use of C-type independent liquid tank, which is placed inside the ship and is a movable object that can be firmly placed on the support base fixed on the hull. The number of support bases is two or Two or more are arranged side by side along the length direction of the independent liquid tank. The support base is formed by connecting the hull base and the saddle matched with the liquid tank shell, and a heat insulating pad is arranged between the base and the saddle. When the independent liquid tank is installed on the supporting base, one end is fixed or restricted from moving in the longitudinal direction, a...

AI Technical Summary

Problems solved by technology

However, the disadvantages of this solution are: (1) only vertical support is provided for the independent liquid tank, and lateral support cannot be provided, and more and stronger lateral limit devices are required to limit the lateral displacement and movement of the independent liquid tank; (2) It is difficult to control the lateral positioning of the liquid tank when hoisting the liquid tank, and the deviation of the lateral positioning is often too large to affect the installation of the lateral limit device; Longitudinal passages for inspection and maintenance of the hull and liquid tanks; if longitudinal passages are provided, it will lead to a higher installation position of the liquid tank, which will increase the center of gravity of the ship; (4) The stress level at both ends of the hull base is relatively high; (5) The arc of the liquid tank The setting of the shaped saddle leads to an increase in the amount of expensive low-temperature special steel

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