Cyclone separator

Gas separation – Plural serial basically diverse separating media – Plural stages in unitary casing

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Details

55345, 55349, 55398, 554591, B01D 4512

Patent

active

059388030

ABSTRACT:
A cyclone separator is disclosed having a vertical housing (2), an opening at its lower end (4), provided with a cover (5) at its upper end having a central opening (8), an inlet duct (10) for tangential entry of a mixture of gas and catalyst particles from the outlet (12) of a riser reactor (15) of a fluidized-bed catalytic cracking plant, a particles discharge duct (16) communicating with the open lower end (4) of the vertical housing (2), and a gas outlet duct (18) having a vertical section (20) which extends through the central opening (8) in the cover (5), which cyclone separator (1) further having an open-ended pipe (23) arranged in the central opening (8) to define an annular gas inlet conduit (25) between the vertical section (20) and the open-ended pipe (23), and swirl imparting means (30) arranged in the annular gas inlet conduit (25).

REFERENCES:
patent: 4229194 (1980-10-01), Baillie
patent: 4426212 (1984-01-01), Zacher
patent: 4547341 (1985-10-01), Weber
patent: 4904281 (1990-02-01), Raterman
patent: 5362379 (1994-11-01), Helstrom
EPC Search Report dated Dec. 15, 1997.

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