Patent ID: 6453982
Filing Date: 2002-09-24
Classification: B22C,B22D

Abstract:
Apparatus for cleaning sand comprising:a chamber having a sand entrance for receiving sand and a sand exit for removing sand; a vibratory conveyor, wherein the vibratory conveyor is adapted to carry sand from the sand entrance to the sand exit; and a heater, wherein the heater is adapted to direct hot air upwardly through the sand into the chamber to fluidize and heat the sand in the chamber to a sand reclamation temperature thereby to cause the sand to be subjected to heat sufficient to completely remove impurities in the sand, thereby reclaiming the sand for reuse, and the vibratory conveyor defines at least a portion of a continuous sand conveying path, said continuous sand conveying path extending from the sand entrance, to and through the vibratory conveyor, and then to the sand exit.