| 摘要 |
<p>A factory for the conversion of metal is provided which contains at least one tiltable metal converter, machinery for supporting, displacing and tilting either ladles for molten metal or charging boxes for scrap metal which are used to charge the converter, exhaust means for the converter during its normal operation, which exhaust means include hood means extending over the entire opening of the converter when in a tilted position during the charging of the converter with metal to be processed for carrying away and exhausting vapors, dust and the like that are present above the converter opening during the charging of the converter while in a tilted state, thereby providing a work area which will be substantially free of material hazardous to the health of the operator during such charging. The hood means further are movable transversely to the plane of the tilting movement of the charging vessel.</p> |
