| 摘要 |
<p>PURPOSE:To complete solid-liquid separation at an ascending discharge passage, by providing an air-supply device that produce ascending bubbles in a descending discharge passage. CONSTITUTION:Air-supply device 15, which produces an ascending air bubble flow in descending discharge passage C is provided, and a ring-shaped layer of air bubbles is produced in descending discharge passage C. The upper level variation in the circulating passage due to the pressure change characteristic of the gas-liquid two-phase flow in ascending passage B is absorbed by the cushion effect of bubbles, and the upper level variation is checked from functioning as ascending speed variation in ascending discharge passage D. By this, solid-liquid separating efficiency in ascending discharge passage D is improved.</p> |
