Water-proof heat-insulation cabin with simple corner structure in ship-supporting structure

A support structure and thermal insulation technology, applied in the direction of ship hull, ship construction, ship hull components, etc., can solve the problems of increasing manufacturing cost and unable to effectively prevent corrosion, etc.

Inactive Publication Date: 2003-10-22
GAZTRANSPORT & TECHNIGAZ SA
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In order to overcome this disadvantage, a new layer of paint is applied to the part of the double hull damaged by the continuous welding of the anchor lining, but this repainting is not effective in preventing corrosion and requires additional operations, which will increase manufacturing cost

Method used

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  • Water-proof heat-insulation cabin with simple corner structure in ship-supporting structure
  • Water-proof heat-insulation cabin with simple corner structure in ship-supporting structure
  • Water-proof heat-insulation cabin with simple corner structure in ship-supporting structure

Examples

Experimental program
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Effect test

Embodiment Construction

[0031] Figure 2 partially shows a corner of a tank C of the invention formed between a transverse bulkhead 6 of a double bulkhead separating the two tanks and an internal side 4 of the double hull of the ship , the transverse partitions 6 and side walls 4 forming part of the supporting structure of the tank form between them an angle of 90° and define a solid angle of intersection A. These transverse bulkheads are assembled on the longitudinal walls of the tank by welding.

[0032] In a well-known manner, the tank has a second insulating barrier mounted on the supporting structure of the ship. This second insulating barrier comprises a plurality of parallelepiped thermally insulating and watertight boxes 7 arranged side by side so as to substantially cover the inner surface of the support structure. Each second heat-insulating and waterproof box 7 consists of a parallelepiped box made of plywood, for example, with dimensions of 1.2 m x 1 m. Each watertight box comprises in i...

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PUM

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Abstract

A cabin C comprises both continuous watertight barriers and at least a heat-insulation barrier, which is built into a bearing structure comprising a longitudinal wall and a ransverse bulkhead. The connection between the corners of both watertight barriers is in the form of a connecting ring of a solid angle formed by the extending of the transverse bulkheads and the longitudinal walls. Each ransverse bulkhead comprises a pair of anchor plates, and each connecting ring has a metallic form. Both parallel longitudinal flanges extend in the continue part of both plates, the inner end of which is fixed on the longitudinal metallic plate of both watertight barriers. The connecting ring has a plurality of junction pieces in parallel to ransverse bulkheads, each junction piece hermetically drills through both flanges, the outer end of which is partially anchored on the longitudinal walls, and the inner end leans on an insulating girder so as to apply clamp force on the connecting ring.

Description

technical field [0001] The present invention relates to a watertight and thermally insulated tank, in particular for storing a liquefied gas such as methane at a temperature of about -160° C., said tank being provided in the supporting structure of a ship. Background technique [0002] French patent 2,629,897 discloses a watertight and thermally insulated tank in the support structure of a ship, said tank comprising two continuous watertight barriers, one of which is connected to the The first compartment in contact with the product, the other is the second compartment, and is located between this first compartment and the supporting structure, as can be seen in Figure 1 of the accompanying drawings, for each compartment C, said The support structure comprises, on the one hand, longitudinal walls substantially parallel to the axis of the ship and correspondingly forming the top 1 and bottom 2 of the tank, and internal side walls 3, 4, 5 with a double hull, and on the other h...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B63B3/62B63B25/08B63B25/16B65D88/12F17C3/02F17C3/04F17C13/00F17C13/08
CPCF17C2270/0107F17C3/025B63B25/16F17C13/001
Inventor 雅克·德莱姆
Owner GAZTRANSPORT & TECHNIGAZ SA
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