| 摘要 |
<p>1. Device for lifting and cooling a finely divided material whose granulometry spreads over a wide range, characterized in that it is constituted by a column (1) provided at its base with a fluidization grate (2), under which is provided an air-chamber (3) whose upper part communicates with a collector (5) for the material, with admission means (4) for the material placed above said grate (2) and with a central transfer tube (6) whose base (6a) is situated at an adjustable distance (d) from a gas injecting nozzle (7) directed towards the tube, said central tube emerging into an auxiliary collecting and speed reducing chamber (8) itself being connected to said collector (5).</p> |
