Patent ID: 6439853
Filing Date: 2002-08-27
Classification: B01F,C02F,Y02W

Abstract:
A distribution dish for circulating liquid from lower levels to the upper surface of a body of liquid, said distribution dish having a drive system to move the liquid through said distribution dish so as to evenly distribute said liquid about the upper surface of said body of water, said distribution dish comprising:a circular dish placed just below the upper surface of said body of liquid said dish having outer walls with an upper edge and a lower edge, said outer walls tapering down and inward from said upper edge to said lower edge in a substantially parabolic fashion so as to define an upper opening and a lower opening, said lower opening having an area substantially less that of said upper opening; an upper horizontal lip defined by said circular dishes upper edge, said upper lip being substantially parallel to said upper surface of said body of liquid; a draft tube extending downward from said lower opening of said distribution dish; and a vertical plate fixedly attached inside of said draft tube, said vertical plate being substantially perpendicular to said upper surface of said liquid.