Patent ID: 6334952
Filing Date: 2002-01-01
Classification: B01D

Abstract:
A coagulating sedimentation apparatus for precipitating and separating suspended solids, coagulated flocs or the like in a liquid to be treated, so as to clarify said liquid, said sedimentation apparatus comprising:a sedimentation tank; a mixing chamber vertically disposed within said tank concentrically therewith, for introducing and mixing said liquid and an additive therein; a cup-shaped rotary support disposed adjacent a lower end of said mixing chamber so as to act as a bottom of said mixing chamber, said rotary support being rotated about a center axis of said mixing chamber and having a bottom portion formed with an opening; a discharge pipe extending outward from an outer peripheral surface of said rotary support, communicating with the inside of said rotary support, and having a tubular wall provided with a discharge orifice, said discharge pipe being for distributing said liquid from said mixing chamber into a sedimentation space between said tank and said mixing chamber; and a blade fixed with respect to said mixing chamber and adapted to discharge a precipitate deposited on the bottom portion of said rotary support from said opening to the outside of said rotary support.