Cyclone separators to prevent or reduce clogging

Details Cyclone separators to prevent or reduce clogging Cyclone separators to prevent or reduce clogging

1985-03-04

1986-11-25

Hart, Charles

Gas separation

With guide means effecting removal of constituent layer out...

At escape means for heavier constituent

55459B, 55458, 2105121, B01D 4512

Patent

active

046246916

ABSTRACT:
A cyclone separator and an installation of such a separator in a processing vessel are set forth which conditions the inlet flow to prevent the depositing of particulates at the cyclone inlet. The separator is disposed in a cylindrical enclosure represented by the processing vessel. The enclosure has an inner surface and defines a chamber to receive the gas and entrained particulates. Disposed within the chamber is the smaller diameter cyclone separator having a cylindrical wall. To admit gas, the separator wall has an inlet, one side boundary of which is arranged tangential with the enclosure inner surface, the other side boundary being spaced from the surface to define an axially extending, scroll-shaped envelope between the enclosure inner surface, the cyclone wall and its inlet. A flow conditioning surface is provided between the vessel inner surface and cyclone wall, the flow conditioning surface having a trailing edge at the cyclone inlet and a leading edge to accelerate the gas flow preferably to a velocity or a range of velocities acceptable by the cyclone for efficient separation without the creation of wake turbulents, eddies or the like, which would result in the deposit of particulates at the cyclone separator unit. A flow directing surface may be disposed within the cyclone to turn the gas stream and impart an accelerated downward velocity to the particulates as they flow around the cyclone.

REFERENCES:
patent: 2489618 (1949-11-01), Cantin
patent: 2582423 (1952-01-01), Foley
patent: 2786547 (1957-03-01), McCartney
patent: 3349548 (1967-10-01), Boyen
patent: 3501001 (1970-03-01), Muller et al.
patent: 3953184 (1976-04-01), Stockford et al.

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