Toner processing apparatus and method for producing toner

A toner processing apparatus for processing an object to be processed comprising toner particles, the toner processing apparatus comprising:

• a processing chamber having a bottom and a cylindrical inner peripheral surface in which the object to be processed is accommodated;
• a drive shaft rotatably provided at the bottom of the processing chamber;
• a rotating member pivotally supported by the drive shaft;
• and
• a flow means pivotally supported by the drive shaft and arranged below the rotating member in the processing chamber for causing the object to be processed to flow upward from the bottom of the processing chamber,
• wherein the rotating member includes:
• a rotating member main portion, and
• a processing portion protruding outward in the radial direction from an outer peripheral portion of the rotating member main portion, the processing portion including:
• a plate-shaped processing surface that partially or wholly collides with the object to be processed, the plate-shaped processing surface extending from the outer peripheral portion of the rotating member main portion to the cylindrical inner peripheral surface of the processing chamber with a gap between the plate-shaped processing surface and the cylindrical inner peripheral surface of the processing chamber such that the shortest distance between the cylindrical inner peripheral surface of the processing chamber and the plate-shaped processing surface is 0.100d or less, where a radius of an inner circumference of the processing chamber is denoted by d;
• and
• a rear wing coupled to the upstream side of the plate-shaped processing surface in a rotation direction, the plate-shaped processing surface protruding upward and downward from the rear wing;
• a region of the plate-shaped processing surface away from the rotating member main portion is located on the downstream side in the rotation direction of the rotating member compared to a region close to the rotating member main portion.