| 摘要 |
A fluid bed reactor, suited for recycling a fluidizing gas containing, in suspension, particles of solid material; comprising a gas distributor consisting of a doubleconed body or of a series of concentrical cones provided on their lateral surfaces with ribs or fins forming gas inflow channels shaped in such a way and with such an inclination as to allow the passage of the solid particles entrained in the gas flow, and such as to hinder the outflow of the solid material that has been fluidized, when the flow of the gas is interrupted.
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