Patent ID: 6328638
Filing Date: 2001-12-11
Classification: B01D,B24C,B26F,Y02P

Abstract:
An abrasive recovery apparatus for use with an abrasive-jet cutting system including a catcher tank, comprising:an abrasive-laden fluid handling device having an abrasive-laden fluid conduit at least partially disposed within the catcher tank and an abrasive-laden fluid outlet;a hydro-classifier fluidly coupled to the abrasive-laden fluid outlet, the hydro-classifier having a teeter fluid inlet couplable to a fluid source providing a teeter fluid flow that mixes with a flow of abrasives from the abrasive-laden fluid outlet to form a fine particle flow and a wet abrasive, the hydro-classifier having a fine particle flow outlet and a wet abrasive outlet;a de-watering device including a housing having a wet abrasive intake and a de-watered abrasive outlet, the wet abrasive intake being coupled to the wet abrasive outlet of the hydro-classifier to receive the wet abrasive, the housing being coupled to an eduction system, the eduction system selectively drawing air through the wet abrasive to remove interstitial moisture from the wet abrasive resulting in de-watered abrasive; anda dryer unit having a de-watered abrasive inlet positioned to receive the de-watered abrasive from the de-watered abrasive outlet, the dryer unit having a heating element and a dried-abrasive outlet.