| 摘要 |
A fluidised-bed mixer (10) for mixing powdered materials is described, comprising a mixing vessel (12) which has a fluidising-gas nozzle unit (32) with a sheath-like housing (34) which surrounds the mixing vessel outlet (18) and is provided with several gas supply ducts. The ducts pass gas streams upwards into the mixing vessel (12) in order to effect fluidised-bed mixing of the powder content of the mixing vessel (12). <IMAGE>
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