FIELD: processes and equipment for separating solid particles from gas suspension containing solid particles, namely sealing system for branches of successively connected two-stage cyclones used in processes of fluidized catalytic cracking.
SUBSTANCE: sealing system of cyclone separator includes top portion having large curvature radius, having no movable parts and designed for changing direction of descending flow of catalyst of dense phase to plane normal relative to uprising gas flow. It prevents penetration of gas phase inside branch.
EFFECT: enhanced efficiency of sealing, prevention of consolidation of dense layer of powder material.
5 cl, 3 dwg
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