INDUCTION HEATING METHOD AND DEVICE

摘要

PROBLEM TO BE SOLVED: To provide an induction heating method and a device therefor allowing temperature regions to be arbitrarily set on the side adjacent to an induction heating coil and on the side distant from it of a fluid running space. SOLUTION: This induction heating device is characterized in that an inner pipe 14 and an outer pipe 12 both formed of a conductive material are installed; the circumference of the outer pipe 12 is surrounded by the induction heating coil 10 for respectively heating the inner pipe 14 and the outer pipe 12 to required temperatures; a control part for controlling balance between input magnetic flux to the outer pipe and leakage magnetic flux from the outer pipe 12 by adjusting the frequency of an input current is connected to the heating coil 10; the heating coil 10 is arranged along the longitudinal direction of the outer pipe 12 by being divided to each of a plurality of zones; and the balance between the input magnetic flux to the outer pipe 12 and the leakage magnetic flux from the outer pipe 12 of each divided zone of the heating coil 10 can individually be controlled. COPYRIGHT: (C)2005,JPO&NCIPI