| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To solve the problem that the production amount is small relative to the energy cost in a conventional jet mill. <P>SOLUTION: The mill 1 includes a crushing chamber 2, a rotary shaft 3 disposed inside the crushing chamber 2, a rotary body 5 having a rotary member 4 fixed to the rotary shaft 3, a casing 6 composing a shell of the crushing chamber 2, an inlet port 7 for supplying a solid-gas two phase flow K containing powder bodies and gas to the crushing chamber 2, and an outlet port 8 for discharging the solid-gas two phase flow K from the crushing chamber 2. A cylindrical frame body 9 having an inner peripheral face 9a formed in a waveform is provided to the casing 6. The powder bodies are crushed by the solid-gas two phase flow K supplied from the inlet port 7 to the crushing chamber 2 turning inside the crushing chamber 2 while being accelerated by the rotary body 5, and the turning solid-gas two phase flow K colliding into the inner peripheral face 9a. The frame body 9 having the inner peripheral face 9a is disposed coaxially with the rotary shaft 3 and is adjacent to the inner peripheral face of the casing 6. The powder bodies move randomly by collision with the frame body 9 and the powder bodies collide with each other. <P>COPYRIGHT: (C)2012,JPO&INPIT</p> |
