DRY DUST REMOVAL DEVICE

摘要

A dry dust removal device for advance working or extracting machines comprises an extractor fan (15) and suction apertures (14) adjacent the cutting rollers (23). A filter element (12) is disposed above the conveyor means (2) of the advance working or extracting machine (1) and closable openings (16) in the housing of the dry dust removal device (7) above the conveyor (2) and air outlet apertures (19) adjoin the opposite side of the filter element (12).