JPH0513897U - LNG carrier spherical tank support structure - Google Patents

Abstract

(57) [Summary] [Purpose] It is not necessary to align the lower end of the skirt with the upper end of the ring girder through the foundation deck, and the deck stringer on the underside of the foundation deck is the ring girder. Therefore, a spherical tank support structure of an economical LNG ship is achieved, which is not divided by the above, and therefore the work of fixing the skirt to the hull is easy and the distribution of the deck longitudinal material can be automated. [Structure] In a spherical tank support structure of an LNG ship, which supports a spherical tank 01 through a vertical cylindrical skirt 02 whose lower end is welded to a foundation deck 03, the bottom of each is on the foundation deck 03. Horizontal rib 05
It has a plurality of brackets 1 welded in position and the vertical sides of which are welded to the skirt 02.

Description

[Detailed description of the device]

[0001]

[Industrial applications]

 The present invention relates to a spherical tank support structure for an LNG ship.

[0002]

[Prior Art]

 Conventionally, as a spherical tank support structure for an LNG ship, for example, as shown in the perspective view of FIG. 6, the lower end of a vertical cylindrical skirt 02 supporting the spherical tank 01 is welded to the upper surface of the foundation deck 03. At the same time, it is known that a ring girder 04 is welded to the lower surface in accordance with the position of the skirt 02 to connect the skirt 02 and the hull. Here, 05 is a horizontal rib.

However, such a structure has the following drawbacks. (1) As shown in the longitudinal sectional view of FIG. 7 and the lateral sectional view of FIG. 8, it is troublesome to align the lower end of the skirt 02 and the upper end of the ring girder 04 through the foundation deck 03. Here, 06 is a horizontal partition, and 07 is a heat insulating material. (2) As shown in the plan view of FIG. 9, since the deck longitudinal members 08 on the lower surface of the foundation deck 03 are divided by the ring girder 04, automation of the distribution of the deck longitudinal members 08 is hindered and the mounting The construction is troublesome.

[0004]

[Problems to be solved by the device]

 The present invention has been proposed in view of such circumstances, and it is not necessary to align the lower end of the skirt with the upper end of the ring girder via the foundation deck, and the foundation deck An economical LNG carrier spherical tank support that the lower deck stringer on the lower surface is not divided by the ring girder, so the work of fixing the skirt to the hull is easy and the distribution of the deck stringer can be automated. The purpose is to provide a structure.

[0005]

To this end, the present invention relates to a spherical tank support structure for an LNG carrier, which supports a spherical tank through a vertical cylindrical skirt whose lower end is welded to a foundation deck. It is characterized by comprising a plurality of brackets whose bottom sides are welded to the lateral rib positions on the foundation deck and whose vertical sides are welded to the skirt.

[0006]

[Action]

 According to this structure, the skirts are welded to the foundation ribs at the transverse rib positions on the foundation deck, and the vertical sides are welded to the skirts with a plurality of right triangle triangular brackets. By being fixed, the known ring girder becomes unnecessary, and the following actions are performed. (1) The work of aligning the ring girder and the skirt is unnecessary. (2) The vertical deck material of the foundation deck will not be divided by the ring girder, and the above-mentioned vertical deck material can be automatically distributed.

[0007]

【Example】

 An embodiment of the present invention will be described with reference to the drawings. The same reference numerals as those in FIGS. 6 to 9 respectively denote the same members, and first, in the perspective view of FIG. A plurality of right-angled triangular brackets whose upper side is welded to the horizontal rib 05 position and whose vertical side is welded to the outer surface of the scart 02. It is welding.

In such a structure, as shown in the longitudinal sectional view of FIG. 2 and the lateral sectional view of FIG. 3, the ring girder 04 is not required by fixing the skirt 02 to the foundation deck 03, which is troublesome. This eliminates the need for proper alignment work and allows the bracket 1 to be simply installed. Further, as shown in the plan view of FIG. 4, since the ring girder is eliminated, the deck longitudinal member 08 is not divided, so that the material distribution can be automated. By the way, in the enlarged view of FIG. 5, the material of the skirt 02 and the like is that the skirt upper part 3 is aluminum, the skirt middle part 4 is stainless steel, the skirt lower part 5, the bracket 1, the foundation deck 03 is steel. Further, the connections between the respective materials are made by welding STJ through the four-layer structure special material STJ for aluminum and stainless steel, and by welding 6 for stainless steel and steel.

According to the structure of this embodiment, a plurality of right-angled triangular brackets each having a bottom side welded to a lateral rib position on a foundation deck and a vertical side welded to the skirt are provided with the above-mentioned brackets. By being fixed to the foundation deck, the known ring girder becomes unnecessary, so that the following effects can be obtained. (1) The work of aligning the ring girder and the skirt is unnecessary, and therefore the work of fixing the skirt to the hull is labor-saving. (2) The vertical deck material of the foundation deck will not be divided by the ring girder, and therefore the above-mentioned vertical deck material can be automatically distributed, and labor for hull work can be saved.

[0010]

[Effect of the present invention]

 In short, according to the present invention, in a spherical tank support structure of an LNG ship, which supports a spherical tank through a vertical cylindrical skirt whose lower end is welded to a foundation deck, each of which has a foundation at the bottom. By having multiple brackets welded to the horizontal ribs on the deck and with the vertical sides welded to the skirt, the lower edge of the skirt and the upper edge of the ring girder are aligned through the foundation deck. Is not necessary, and the deck longitudinals on the underside of the foundation deck are not divided by the ring girder.Therefore, the work of fixing the skirt to the hull is easy, and the deck longitudinals can be automatically distributed. The present invention is of great industrial utility because it provides a possible spherical tank support structure for an LNG carrier.

[Brief description of drawings]

FIG. 1 is a partial perspective view showing an embodiment of the present invention.

FIG. 2 is a vertical sectional view of FIG.

3 is a cross-sectional view of FIG.

FIG. 4 is a bottom view of FIG.

5 is a partially enlarged view of FIG.

FIG. 6 is a partial perspective view showing a spherical tank support structure of a known LNG ship.

7 is a vertical cross-sectional view of FIG.

8 is a cross-sectional view of FIG.

FIG. 9 is a bottom view of FIG.

[Explanation of symbols]

 1 Bracket 2 All-round fillet welding 01 Sphere tank 02 Skirt 03 Foundation deck 05 Horizontal ribs 06 Horizontal bulkheads 07 Heat insulating material 08 Deck vertical material STJ welding

Claims (1)

[Scope of utility model registration request] 1. A spherical tank support structure for an LNG ship, which supports a spherical tank via a vertical skirt whose lower end is welded to a foundation deck, wherein each bottom has a lateral side above the foundation deck. A spherical tank support structure for an LNG ship, comprising a plurality of brackets welded to the position of the ribs and having vertical sides welded to the skirt.