| 摘要 |
A pneumatically conveyed flow of solids is continuously introduced into a pressurized container (42) in which a fluidized bed is maintained by adding an aerating gas, said bed being heated by heat exchange with a heat transfer medium (58). The mixture of solid/gas is continuously removed from the fluidized bed and separated into a lean gas phase and a highly compressed solid /gas mixture by gravitational or centrifugal deposition. The highly compressed solid/gas mixture is then continuously discharged into a pneumatic conveyor line (221) and conveyed pneumatically. The solid content of the pressurized container (42) is continuously monitored. Via a controlled gas removal (68) from the lean gas phase the continuos discharge of the highly compressed solid/gas mixture into the pneumatic conveyor line (221) is controlled in such a manner that the solid content of the pressurized container (42) remains substantially constant.
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