Thermal barrier system for liquefied gas tank

Details Thermal barrier system for liquefied gas tank Thermal barrier system for liquefied gas tank

1977-07-12

1979-02-20

Blix, Trygve M.

Ships

Building

Freighters

62 55, 220901, 220426, B63B 2516

Patent

active

041400739

ABSTRACT:
Heat barrier components and improved thermal insulation techniques are provided for an external tank insulation system of ships carrying liquefied natural gas, propane, ammonia, etc. Reduction of liquid boil-off rate or initial cost of insulation through the reduction of radiant heat leak is accomplished by a composite insulation system including a high reflectance component material on the external surface of insulation and/or interior surface of the ship facing the tank. Further, refrigeration in tank boil-off is used to cool a radiation shield located between the tank insulation and surrounding enclosure, and to cool the skirt support.

REFERENCES:
patent: 3009601 (1961-11-01), Matsch
patent: 3304728 (1967-02-01), Haan
patent: 3748865 (1973-07-01), Laverman
patent: 3770158 (1973-11-01), Alleaume
patent: 3859805 (1975-01-01), Johnson et al.

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