Patent ID: 6168307
Filing Date: 2001-01-02
Classification: B01F

Abstract:
A rotor for treating liquid, said rotor comprising: a hollow rotation body defining an interior space and having an open lower end; a rotatable shaft connected to an upper end of said hollow rotation body, said shaft having a longitudinal flow passage communicating with the interior space of said hollow rotation body; at least one partition member disposed in the interior space of said hollow rotation body, said partition member extending from an interior peripheral surface of said hollow rotation body so as to define a central chamber and at least one annular chamber between the interior peripheral surface of said hollow rotation body and an outer peripheral surface of said partition member; at least one hole formed in a side wall of said hollow rotation body and communicating with the annular chamber; and at least one hole formed in said partition member and establishing communication between the annular chamber and the central chamber, wherein additive material can be supplied to the annular chamber and the central chamber via the longitudinal flow passage formed in said rotatable shaft and the hole formed in said partition member.