Patent ID: 8998482
Filing Date: 2015-04-07
Classification: B01F,H01M,Y02E,Y10T

Abstract:
1. An agitation apparatus comprising: a substantially cylindrically shaped agitation vessel; a rotation shaft provided along a central axis of the agitation vessel; a substantially cylindrically shaped agitation member having an outer diameter smaller than the inner diameter of the agitation vessel and attached to the rotation shaft so as to rotate concentrically with the inner circumferential surface of the agitation vessel, the agitation member including an upper portion and a lower portion, the upper portion being above the lower portion in a vertical direction; a plurality of supply ports arranged at a lower portion of the agitation vessel; a discharge port arranged at an upper portion of the agitation vessel, above the agitation member; a plurality of through holes formed in radial directions through the agitation member, including a plurality of through holes formed in the upper portion and a plurality of through holes formed in the lower portion, wherein the central axis of the agitation vessel is arranged along the vertical direction, and a gap between the inner circumferential surface of the agitation vessel and the outer circumferential surface of the agitation member is partially varied between the upper portion and the lower portion of the agitation member.