| 摘要 |
<p>A device for preheating a metal casting channel (3). The device is positioned in a rapidly removable manner by a frame (1) consisting of a stationary portion (12) and a movable portion (26). The channel (3) comprises a refractory part (5) surrounded by an insulating coating (7), an inductor (8) and refractory concrete (10) within a shell (11). The preheating device includes the inductor (8) and an element (2) made of a refractory and electrically conductive material. Said device is useful for evenly and uniformly preheating a metal casting channel (3).</p> |
