Ebara Corporation

Seiichi Tsuda

Koichi Masuda

Yuichi Fuchu

Yutaka Niida

Sakae Kosanda

A solid-liquid separator including a separation tank, a treated water outlet ( ) at the top of the tank, a sludge outlet ( ) at the bottom of the tank, a draft tube ( ) near the center in an upper inner zone of the tank and connected to a raw water inlet pipe ( ), horizontally rotatable multistage stirring blades A ( ) in the draft tube, horizontally rotatable multistage stirring blades B ( ) immediately below the draft tube, a horizontal baffle ( ) below the stirring blades B, a floating filter medium layer ( ) around the outside of the draft tube above the stirring blades B, and a screen ( ) fixed below the water level above the filter medium layer, and optionally, a filter medium-receiving screen ( ) around the lower outside of the tube in combination with stirring rods ( ) above the screen or aeration nozzles.

Growing community of inventors

Kanagawa-ken, Japan

Seiichi Tsuda