| 摘要 |
A system for reacting solid particles flowing under gravity through a thin walled enclosure has at least one fluid flowing through the enclosure in a counter-current to the flow of the solid particles. The feeding of the solid particles into the enclosure and the discharging therefrom of the converted ash particles may be adjusted. A particle bed is controlled by feeding the fluid into the enclosure so that it has to go through a substantial part of the bed thickness. The enclosure is vibrated to obtain a vibrated particle bed, with the vibrations being directed along a direction which lies at substantially a right angle to the vertical.
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