Mitsubishi Power, Ltd.

Takashi Iwata

Shinji Matsumoto

Kenichi Arima

Takuichiro Daimaru

Yuta Takahashi

Kazushi Fukui

Taku Miyazaki

The present invention improves the even distribution of a powder to a pulverized coal pipe. A rotary classifier including: a rotary shaft rotatably supported around a rotational axis extending in a vertical direction; a frame body supported by the rotary shaft and including an opening on the outer periphery of the frame body; a plurality of powder outlets provided along the rotation direction and opening on the upper section of the frame body; a plurality of blades extending in the vertical direction at the opening on the outer periphery of the frame body and provided along the rotation direction; and an annular member that serves as a constricting section provided so as to narrow the interval from the blades to the rotary shaft.

Growing community of inventors

Kanagawa, Japan

Takashi Iwata