| 摘要 |
PROBLEM TO BE SOLVED: To securely complete chemical reaction by making powder stay for a sufficient time in a device.SOLUTION: A cyclone device is configured which comprises: a conical part 20 in a form of a truncated cone open both at the upper end and at the lower end and getting more shrunk in diameter downward; a chamber 30, connected to the lower end side of the conical part 20, with a powder take-out port 50 formed at the lower end part, and with an internal inclusion of an apex T where a virtual conical surface S downwardly extended from the conical surface of the conical part 20 gathers; and an umbrella-shaped isolation member 40 with a through-hole 41 formed at the upper end part to be disposed inside the chamber 30 so that the through-hole 41 is located at the apex T.SELECTED DRAWING: Figure 2 |
