Patent ID: 8931641
Filing Date: 2015-01-13
Classification: B07B

Abstract:
1. A dedusting apparatus for removing dust and debris from a flow of particulate material, comprising: a housing defining a product inlet opening through which said particulate material enters said housing, a product outlet opening through which said particulate material is discharged from said housing, a clean air inlet opening and a dirty air outlet opening, said product outlet opening being laterally offset with respect to said product inlet opening such that said product inlet opening and said product outlet opening are not vertically aligned; and a wash deck mounted in said housing between said product inlet opening and said product outlet opening, said wash deck defining a downwardly sloped upper surface positioned to receive particulate material from said product inlet opening and to discharge particulate material to said product outlet opening, said wash deck being formed with openings therethrough to allow a passage of air through said wash deck into the flow of particulate material over said wash deck, said wash deck including a lower area below said upper area, said lower area terminating in a discharge end located above said product outlet opening to define a Venturi zone between said discharge end of said wash deck and said housing, said wash deck further including a support leg including openings therethrough for the passage of air upwardly into said Venturi zone.