B - Operations – Transporting – 02 – C
Patent
B - Operations, Transporting
02
C
B02C 17/16 (2006.01) B02C 17/18 (2006.01)
Patent
CA 2067840
An ultrafine grinding mill of which fed material flows down through an agitated bed composed of small grinding medium characterized in that said ultrafine gringing mill comprises a vertically arranged cylindrical housing, a net member having a mesh size preventing the grinding medium from passing therethrough and arranged at the bottom of the cylindrical housing, a rotary shaft arranged on a central axis of the cylindrical housing, and agitating blades mounted at several stages on the rotary shaft, and in that both a gap between the tip of each agitating blade and the inner surface of the cylindrical housing and a gap between the agitating blade of the lowermost stage and the net member are in a range 2/3 through 0 of the diameter of the grinding medium at room temperature.
Abe Manabu
Naitoh Sadayuki
Takahashi Hiroyuki
Yashima Saburoh
Fimatec Ltd.
Sim & Mcburney
LandOfFree
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