Above-ground low-temperature tank
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United States of America Patent
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Apr 17, 2018
Issued Date -
N/A
app pub date -
Jan 27, 2016
filing date -
Aug 23, 2013
priority date (Note) -
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Abstract
An above-ground low-temperature tank includes a metal inner tank which stores low-temperature liquefied gas, and an outer tank which includes a concrete outer wall surrounding the inner tank. A hole portion which has a preset depth from a bottom surface of the inner tank is formed on a bottom portion of the inner tank, and a metal pit main body having a cylindrical bottomed accommodating portion is provided in a state where the accommodating portion is accommodated in the hole portion. A reinforcing body which supports at least an outer circumferential edge portion of a bottom surface of the pit main body is provided on the bottom surface side of the pit main body in the hole portion. A cold insulation material is provided below the reinforcing body.
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