| 摘要 |
PROBLEM TO BE SOLVED: To provide a tank device for storing a low-temperature liquid capable of suppressing a manufacturing cost of the tank device for storing the low- temperature liquid such as liquefied natural gas, and of realizing efficient operation. SOLUTION: In the tank device for storing the low-temperature liquid provided in a bottom and/or a side thereof with a warming heater, electricity and heat are generated by a microgas turbine, using a boil-off gas flowing out of the tank, a heating medium heated by the generated heat is supplied to the warming heater disposed on the bottom and/or the side of the tank, and a supply pump of the heating medium and an electric heat heater of an auxiliary heating source of the heating medium are operated by the electricity.
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