[2E01-05] Fuel Fabrication

[2E03] Technological development of the particle size adjustment of recycle powder

(3)Optimization study of collision plate-type jet mill

*Tomoomi Segawa¹, Kazuya Yamamoto¹, Takayoshi Makino¹, Hidetoshi Iso¹, Hisato Sato¹ (1. Japan Atomic Energy Agency)

Keywords:pulverization, particle size adjustment technology, particle size distribution, centrifugal classifier, dry recycled powder

The optimization study of the shapes of the center core and the separate core which affect the classification performance in the centrifugal classifier of the collision plate-type jet mill was conducted. It was clarify to obtain coarse powders in pulverizing test using a tungsten carbide as a simulant material of MOX powder by reducing the angles of the cores. Based on the result of the previous report (2), the prospect that the particle size can be adjusted within the range of 10-250 μm for recycle powder was obtained by optimizing the parameter of the centrifugal classifier of collision plate-type jet mill.