Airtightness detection method of CM node area of liquid cargo tank of LNG ship
A technology of LNG ship and detection method is applied in the field of tightness detection of CM node area of cargo tank of LNG ship, which can solve the problems of unobservable welding seam in the area, late formation of ballast tank structure, and unfavorable development of containment system, etc. The effect of shortening the shipbuilding period, increasing the convenience of construction and opening up the space
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[0048] In order to make the object, technical solution and advantages of the present invention clearer, the present invention is described below through specific embodiments shown in the accompanying drawings. It should be understood, however, that these descriptions are exemplary only and are not intended to limit the scope of the present invention. Also, in the following description, descriptions of well-known structures and techniques are omitted to avoid unnecessarily obscuring the concept of the present invention.
[0049] combine figure 1 Describe this embodiment, the tightness detection method of the CM node area of the LNG ship cargo tank of the present invention, this method is carried out under the situation that the ballast tank and the cargo tank do not form a complete cabin, buys time for the construction of the cargo tank containment system, Shorten the construction cycle of LNG ships. The CM node is the connection point of the "octahedron" structure of the l...
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