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Title:
FLUIDIZED BED DRYING DEVICE
Document Type and Number:
Japanese Patent JP2012241994
Kind Code:
A
Abstract:

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.

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.


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Inventors:
TAKASHIMA RYUHEI
TORII ISAO
ARIMA KENICHI
Application Number:
JP2011113333A
Publication Date:
December 10, 2012
Filing Date:
May 20, 2011
Export Citation:
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Assignee:
MITSUBISHI HEAVY IND LTD
International Classes:
F26B3/084; F26B17/10
Attorney, Agent or Firm:
Hiroaki Sakai
Jun Takamura