| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a fluidized bed drying device capable of suppressing the mixing of a foreign matter from a dust collector while putting dust-collected brown coal back to a fluidized bed. <P>SOLUTION: The fluidized bed drying device includes a drying furnace 5 which forms a fluidized bed 3 inside by fluidizing brown coal with fluidizing gas, and a dust collector 34 which is provided in the drying furnace 5, and collects brown coal contained in exhaust gas discharged from the drying furnace 5. The dust collector 34 includes a suction port 51 for sucking the exhaust gas, a cyclone dust collection part 46 which separates the brown coal from the sucked exhaust gas, a fuel discharge port 52 which discharges the brown coal separated by the cyclone dust collection part 46 toward the fluidized layer 3, and a gas exhaust port 53 which exhaust the exhaust gas having the brown coal separated by the cyclone dust collection part 46. <P>COPYRIGHT: (C)2013,JPO&INPIT |
