| 摘要 |
Method and apparatus for increasing the life of the lining of a three phase AC electric arc furnace. An electro-magnetic coil, mounted under the furnace and powered by DC or low frequency AC sets up a magnetic field inside the furnace, intersecting the arcs. During consecutive half cycles of the alternating arc current, the arcs are then steered away, alternating between new positions on both sides of the usual hot spot areas on the furnace wall.
|
