Spherical cargo oil tank of lng ship
专利汇可以提供Spherical cargo oil tank of lng ship专利检索，专利查询，专利分析的服务。并且PURPOSE: To lessen the outside dimension of a tank by forming a spherical shell tank so as to surround the outside surfaces of a cargo oil tank, providing this shell tank with a fillup hole equipped with a lid, and filling the spherical shell space thus formed with granular anti-heat material.
CONSTITUTION: The outside surfaces of a cargo oil tank 1 are surrounded with spherical shell tank 3, which is concentrical with a certain space reserved and is liquid-tight. This shell tank 3 is provided with a fillup hole 9 equipped with a lid. The spherical shell space formed between these shell tank 3 and cargo oil tank 1 is filled with two or more types of granular anti-heat materials 10. A pump 13 is provided, which evacuates the voids in these granular anti-heat materials 10, or substitutes with a gas having a small thermal conductivity. Thus the outside dimension of tank is lessened and the working time for inerting shortened.
COPYRIGHT: (C)1990,JPO&Japio，下面是Spherical cargo oil tank of lng ship专利的具体信息内容。
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