| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a supply device of an oil fuel that can utilize an oil fuel whose viscosity is higher than that of a heavy oil like asphalt. <P>SOLUTION: The supply device includes a tank 2 that stores an oil fuel, a tank interior heater 4 that heats up the oil fuel, a pump 6 that feeds the oil fuel out of the tank 2, a fuel heating unit 8 that heats up the oil fuel to the temperature combusted by a boiler burner 7, an introduction pipe 10 that guides the oil fuel into the boiler burner 7, a tank return pipe 12 that branches from the introduction pipe 10 to return a part of the oil fuel to the tank 2, a burner return pipe 14 that merges the oil fuel not combusted by the boiler burner 7 via the tank return pipe 12, a vaporization suppressor 24 that suppresses the oil fuel from vaporizing, a first valve 16 that supplies the oil fuel to a merging portion 15, a second valve 18 that supplies the oil fuel to the boiler burner 7, and a third valve 20 that supplies the oil fuel not combusted by the boiler burner 7 to the merging portion 15, so that the flow of the oil fuel from a starting time to a normal operation time can be controlled. <P>COPYRIGHT: (C)2012,JPO&INPIT |
