| 摘要 |
<p>Dosing device for the introduction of friable solids, in particular catalysts, into pressure vessels, consisting of a truncated conical body (6) which rotates in a housing and in whose outer surface spherically rounded recesses (cavatures) (7) of predetermined volume are incorporated in order to receive corresponding amounts of the solid, said recesses being capable of being fed in succession past a feed channel (4) of the housing, a removal channel (5) leading to the pressure vessel (3) and a let-down opening (8) either by a stepwise or by a continuous movement of the body.</p> |
