| 摘要 |
PROBLEM TO BE SOLVED: To reduce odor and prevent tar from being produced by recovering an expanded oil amount produced at the time of fire extinguishments. SOLUTION: This device comprises a tank 2 holding fuel, an electromagnetic pump 4 feeding fuel form the tank 2 to a combustion part 6, and a pump drive control part 27 moving a plunger 15 reciprocally by turning ON/OFF power to a solenoid 23 of the electromagnetic pump 4 to open a delivery valve 13 when the plunger 15 moves in one direction and close the delivery valve 13 when the plunger moves in the reverse direction in order to suck and deliver fuel. In this case, the electromagnetic pump 4 is formed so as to drive the delivery valve 13 in association with the movement of the plunger, and to open the delivery valve 13 for a specified time at the time of fire extinguishments.
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