| 摘要 |
A method for recovering a liquid substance such as fuel oil from ships sunk or stranded due to marine accidents and from storage facilities by more easily heating the liquid substance to reduce its viscosity, and a device for recovering liquid substance. A working coil (2) is applied to the inner bottom plate (7) of a conductive tank (6) in contact with the liquid substance to be recovered, a high-frequency current is supplied to the working coil (2) from a high-frequency inverter unit (3) to heat the inner bottom plate (7) itself by induction heating and the liquid substance is reduced in viscosity by the heating for recovery via a recovery pipe (5) connected to a pump (4). Therefore, an object to be heated can be heated in contact with a heat source and efficiently without an intermediate heat loss, no bulky steam boiler nor large occupied space is required for ease of handling and working, manpower and working hours can be significantly reduced, a quick measure can be taken when a marine accident occurs, and an effect of weather is more likely to be avoided.
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