Soil powder grinding and screening machine

The invention relates to a soil powder grinding and screening machine, and belongs to the field of experiment devices. The machine comprises a motor chamber, a grinding chamber and a collecting chamber. A motor is arranged in the motor chamber; the grinding chamber is arranged below the motor chamber, a grinding device is arranged in the grinding chamber, and the grinding device is driven by the motor to rotate so as to grind a soil sample; and the collecting chamber is arranged below the grinding chamber, a screening device is arranged in the collecting chamber, and a detachable soil collecting box is arranged at the bottom of the collecting chamber. The invention also relates to a temporary plugging effect evaluation method. The small soil sample grinding and screening machine for rock-soil mechanics experiment sample preparation has the advantages of being simple in structure, convenient to operate, easy to clean and the like. 本发明涉及一种土粉研磨筛分机，属于实验装置领域，包括电机室，所述电机室内设置有电机；设置在所述电机室的下方的研磨室，所述研磨室内设置有研磨装置，所述研磨装置在所