| 摘要 |
<P>PROBLEM TO BE SOLVED: To improve the drying efficiency of a fluidized bed drying device. <P>SOLUTION: The fluidized bed drying device is provided with a drying container 101 in a hollow shape; a coal feed opening 102 for feeding raw coal to one end side of the drying container 101; a dry coal discharge opening 103 for discharging dry coal obtained by heating and drying the raw coal from the other end side of the drying container 101; a fluidized gas supply part 104 which supplies fluidized gas to a lower part of the drying container 101 to form a fluidized bed S with the raw coal; a gas discharge opening 105 which discharges fluidized gas and generated steam from above the raw coal feed opening 102 on the one end side of the drying container 101; heat transfer tubes 106, 107 which heat the raw coal of the fluidized bed S; and a raw coal removal device 123 which removes the excessive raw coal of the fluidized bed S. <P>COPYRIGHT: (C)2013,JPO&INPIT |
