Integrated tank erection and support carriage for a semi-membrane LNG tank
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United States of America Patent
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Sep 30, 2003
Issued Date -
N/A
app pub date -
Jun 25, 2002
filing date -
Jun 4, 2001
priority date (Note) -
Expired
status (Latency Note)
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Abstract
In the typical embodiment of the invention described in the specification, a prismatic semi-membrane LNG tank is assembled within a support carriage surrounding the top and side walls of the tank and is connected to the tank by a plurality of load bearing insulating support blocks affixed to T-shaped beams on the tank and received in channel shaped members on the support carriage. The tank is assembled within the carriage which is slidably received within a temporary supporting structure and, when the tank has been completed, the integrated carriage and the tank are transferred to the hull of a ship or other permanent support structure. A pipe tower within the tank is affixed to the bottom wall of the tank and slidably connected to a tank dome at the top of the tank which is welded to the top wall of the tank. Stop members limit downward motion of the tank tower with respect to the top wall of the tank.
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