Patent ID: 6508583
Filing Date: 2003-01-21
Classification: B01F

Abstract:
An agitated vessel for producing a suspension of solids in liquid with uniform concentration comprising:a vertical cylindrical tank having sidewalls and a bottom with inclined surfaces forming an interior for holding a suspension of solids in liquid; a means for feeding solids and liquid to said tank; a plurality of stationary baffles disposed in said interior of said tank and extending the length of the tank; a rotating shaft vertically installed at the center of said interior of said vertical cylindrical tank; a single turbine impeller with vertical blades radiating from said rotating shaft, with lower edges of said blades contoured to match the slope of said inclined surfaces of said bottom and positioned so that the lower edge of the impeller blade is close to said bottom; and an exit port located on said sidewall approximately at the height of said impeller for withdrawing said suspension having uniform concentration.