| 摘要 |
<p>The apparatus comprises a discharge device with a screw, and a shaft with rotary blades. Stator-type laminates are fixed helically to the inside wall of the rotary column. The discharge device is at the bottom of the column and comprises a cylinder connected to the column by an offtake tube contg. a screw. The core diameter of the screw increases towards the discharge opening and the cylinder bore is sealed on the outlet end by a rotatable conical plug.</p> |
