| 摘要 |
<p>The invention refers to a device to collect and dump the smoke and dust which are generated during a scarfing operation of slabs and other metallurgical, unfinished products; such device providing a support bench for the slabs to be scarfed, and a scarfing head, sliding on rails along said bench; suction means for the smoke and dust generated by the scarfing operation are also provided. According to the invention, the device provides a retractable tunnel (20), in the shape of a bellow, secured, on one of its ends, to one end of said bench, where the suction duct of an exhaust fan for the smoke and dust is located; on its other end, the tunnel (20) is integral to a scarfing head (62) in its movement; the retractable tunnel (20) is supported in an intermediate position by trestles movable on wheels (40).</p> |
