Patent ID: 6572687
Filing Date: 2003-06-03
Classification: B01D

Abstract:
Apparatus for drying gas comprising a sump vessel including a gas entrance chamber, at least one central chamber, and a terminal chamber, said chambers being defined by partitions in an upper portion of said sump vessel and extending into a lower portion of said sump vessel but providing a common sump volume in said lower portion, said gas entrance chamber having a tower above it for holding a bed of desiccant tablets, draining liquid therefrom, and guiding gas through said bed of desiccant tablets to said central chamber, said central chamber having a tower above it for holding a bed of desiccant tablets, draining liquid therefrom, and guiding gas through said bed of desiccant tablets to said terminal chamber, said terminal chamber having a tower above it for holding a bed of desiccant tablets, draining liquid therefrom, and guiding said gas to an exit, said partitions having termini extending into said lower portion of said sump vessel to assure the flow of gas sequentially through said towers when sump liquid is at a level above said partition termini, said gas entrance chamber including a splash plate situated directly in the path of gas entering said gas entrance chamber.