Gas separation: processes – Deflecting – Centrifugal force
Patent
1993-01-21
1994-02-15
Hart, Charles
Gas separation: processes
Deflecting
Centrifugal force
55319, 55346, 55349, 55462, 422144, 422147, B01D 4512
Patent
active
052862810
ABSTRACT:
Apparatus for separating particulate solids from a process gas stream which includes one or more primary separation chambers, preferably ballistic separation chambers, for removing a major portion of the solids entrained in the gas stream. One or more secondary separator chambers containing multi-cyclones are employed for removing substantially all of the remaining solids from the gas discharged from the primary separator chamber. The ballistic separation chamber has an inlet portion and a larger diameter outlet portion, and it may have an arcuate shape to aid in the separation. In one preferred embodiment a plurality of horizontally extending ballistic separation chambers are connected to a top portion of a transport riser, a plurality of the secondary separation chambers having off-gas outlets connected to a cup-shaped off-gas collector housing are positioned above the gas outlets of the ballistic separation chambers and a conical catalyst outlet vessel connected to the solids outlets of the secondary chamber extends downwardly into the transport riser for returning separated solids to a source vessel.
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