METHOD AND APPARATUS FOR RECLAIMING USED ABRASIVES

摘要

A method and apparatus are provided for reclaiming used abrasives. This is done by achieving a turbulent levitating fluidized bed in an elongated enclosure which is provided with a porous bottom through which air is blown at a desired velocity. In the upper portion of the enclosure there is provided a plurality of suction hoods to remove airborne contaminants and fines from the fluidized bed, leaving only re-usable abrasives. The elongated enclosure can be vibrated, if desired. Also air may be heated to remove moisture from the used abrasives.