ELECTROMAGNETIC STIRRING METHOD

摘要

PURPOSE:To form plural rotating flow in cross section surface of molten metal passing through inner space of electromagnetic inductor by rotating polarity of magnetic poles by turns from one power source in mutually facing plural magnetic poles in the inner space of the electromagnetic inductor. CONSTITUTION:The space 2 is formed in the inner part of closed yoke 1 and plural pairs of magnetic poles 3 are mutually closed. Electric current is supplied to a coil 4 of each magnetic pole 3 from one power source device. By this method, one set of the electromagnetic inductor 5 is formed and the magnetic pole 3 is made to two phase and rotated. Number of the magnetic poles is made to two times and the interchange of magnetic flux is made to two points and then the rotating magnetic field on the one plane can be made at two places. In the same way, many rotation can be made by increasing the magnetic poles. Rotating direction of the plural rotation can be optionally set by changing arrangement of each phase coil and the static part can be made by widening the interval of rotation centers.