Pulverization/classification apparatus for manufacturing powder, and method for manufacturing powder using the pulverization/classification apparatus

摘要

A pulverization/classification apparatus including a cylindrical fluidization vessel (1) having an inner wall, on a surface of which a layer (5) including a release agent is located; a pulverizer (3) configured to pulverize a material such as toner raw materials in the cylindrical fluidization vessel (1) using a compressed air to prepare a particulate material; and a classifier (4) configured to classify the particulate toner material to prepare a powder of the material. Alternatively, the inner wall of the cylindrical fluidization vessel (1) has a circumferentially projected portion (8). A method for manufacturing a powder such as toners using the pulverization/classification apparatus is also provided.