| 摘要 |
<p>This specification discloses improvements in fluidized bed apparatus of the type including a treatment channel adapted to contain a bed of particulate material, means at one end of the treatment channel for feeding compacts into the bed of carrier, means for fluidizing the bed of carrier in such a manner as will result in the transport of carrier and compacts to the other end of the treatment channel, a plurality of means for the withdrawal of carrier from the treatment channel, means for reheating and/or mixing the carrier withdrawn from the treatment channel, a plurality of means for the return of carrier from said reheating and/or mixing means to the treatment channel, and means at the other end of the treatment channel for discharging compacts and/or carrier from the treatment channel, and wherein the reheater/mixer is located at an elevated position relative to the treatment channel and the carrier withdrawal means discharge into a carrier collector bin to which is connected a pneumatic carrier lifter which returns the carrier to the reheater/mixer.</p> |
