The invention relates to a corrugated unit and corrugated plate for a liquid cargo containment system of an LNG (Liquefied Natural Gas) ship, and the corrugated unit for the liquid cargo containment system of the LNG ship comprises a first straight part, a second straight part and a corrugated convex part which is tangentially connected with the first straight part and the second straight part respectively, the corrugated protruding part has a certain height relative to the first straight part and the second straight part, and the height is smaller than the length of the first straight part and the length of the second straight part. The corrugated protruding part comprises a plurality of sections of arc parts which are connected in a tangent mode. According to the corrugated plate, transverse and longitudinal low-temperature cold contraction deformation is absorbed through the corrugated structure at the same time, and meanwhile internal stress generated by low-temperature cold contraction between welding anchoring points on the edge of the corrugated plate is reduced. The corrugation structure is simple, the corrugation protruding height is small, the material thinning rate in the machining and stamping process is low, machining is easy, and the yield is high.

    本申请涉及一种LNG船液货围护系统波纹单元及波纹板,其中,所述LNG船液货围护系统波纹单元包括第一平直部、第二平直部以及分别与所述第一平直部和所述第二平直部相切连接的波纹凸起部,所述波纹凸起部相对所述第一平直部和所述第二平直部具有一定的高度,所述高度小于所述第一平直部和所述第二平直部的长度;所述波纹凸起部包括多段相切连接的圆弧部。本申请通过波纹结构同时吸收横向和纵向的低温冷缩形变,同时也使得波纹板材边缘焊接锚固点之间因低温冷缩产生的内应力减小。波纹形式结构简单,波纹凸起高度小,加工冲压中材料减薄率低,易于加工,良品率高。


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    Title :

    Corrugated unit and corrugated plate of liquefied natural gas (LNG) ship liquid cargo containment system


    Additional title:

    一种LNG船液货围护系统波纹单元及波纹板


    Contributors:
    LIU CHUAN (author) / XI MENG (author) / FU YUHUA (author) / DAI WEI (author) / ZHOU YU (author) / HU JIAYAO (author) / YAN LEI (author)

    Publication date :

    2025-01-03


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Chinese


    Classification :

    IPC:    B63B Schiffe oder sonstige Wasserfahrzeuge , SHIPS OR OTHER WATERBORNE VESSELS



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