| 摘要 |
The grinding apparatus (10) comprises a screw conveyor (18) equipped with hopper (18a) to supply raw material ; upper and lower grinding rotating discs (12,12') installed on the lower part (11a) of the main body (11) ; a vortex chamber (13) equipped with an air blowing fan (17) and a vortex inducing plate (13a) ; an air blowing fan (23) installed on the uppermost part of the upper body (11b) to introduce and transport fine powder to a particle transport pipe (24) ; a powder collecting chamber (50a) with filtering nets (51,51') ; an air inhaling chamber (50b) connected to an air discharging pipe and fan (53) ; and a powder collector (50) equipped with vibration motor (52)
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