Patent ID: 6279752
Filing Date: 2001-08-28
Classification: B01D

Abstract:
A water treatment system, comprising:a water treatment tank having opposing side walls;at least one water clarifier flight;first and second stub shafts;a drive shaft including:first and second end tubes;first, second and third drive sprockets;an interconnecting tube having a bore therethrough, mated with said first and second end tubes wherein said first and second end tubes each include a tube with a given outside diameter, said given outside diameter being less than a given inside diameter of said interconnecting tube such that said interconnecting tube receives a portion of said first and second end tubes and is secured thereto by a spacer ring, an interconnecting tube end cap, and an interlock key for each of said first and second end tubes for transferring rotational motion therebetween;said first and second stub shafts being rigidly connected to said side walls, said drive shaft being rotatably supported therebetween;said first and second drive sprockets being fixed to said first and second drive shaft end tubes, and each of said first and second drive sprockets being coupled to opposite ends of said at least one water clarifier flight for driving said at least one water clarifier flight;said third drive sprocket being fixed to either of said end tubes such that rotation of said third drive sprocket causes rotational motion of said drive shaft carrying said at least one water clarifier flight through said tank; anda motor for driving said third drive sprocket.