IGNITION METHOD OF LIQUID FUEL COMBUSTOR

摘要

PPROBLEM TO BE SOLVED: To provide an ignition method of a liquid fuel combustor surely ignitable by second time ignition operation even in a change in an environmental condition such as fluctuation in atmospheric pressure by an atmospheric temperature and an altitude. PSOLUTION: This ignition method comprises a carburetor 2, a combustion fan 7 for supplying combustion air, an electromagnetic pump 4 for supplying liquid fuel, and a sheath heater 3 for heating the carburetor 2. The liquid fuel is supplied by the electromagnetic pump 4 in the carburetor 2 heated to a preheating completing temperature TSB1/SBby the sheath heater 3 and vaporized, and formed as premixed air by being mixed with the combustion air supplied from the combustion fan 7, and an amount jetted from a flame hole 10 of a burner head 9 is ignited and burnt by high voltage discharge by a spark plug 11. When failing in ignition by first time ignition operation, the second time ignition operation is performed after raising the carburetor temperature to a second preheating completing temperature TSB2/SBhigher than the first time preheating completing temperature TSB1/SBby supplying electric power again to the sheath heater 3. PCOPYRIGHT: (C)2005,JPO&NCIPI