... conical hopper tank, all material can be in uniform rotation.The tank is laid with an interlayer on ... self-equipped arm-ladder, it is easy to operate. 67,Mouth of material outlet has changed Into arc-shaped ... 2,Powder metrical can be charged into the material pan from the conical hopper and continue to ... as crumb by blade and conical tank wall, all material is gradually turn for loosen. At last , while ...