Patent ID: 7708790

Claim:
An apparatus for separating fine particulate solids from gas, comprising: (a) a housing having an upper wall, a lower wall, and a side wall defining an interior space, the housing further including an inlet, a gas outlet, and a solid outlet, (b) a plurality of baffles dividing the interior space into an upper chamber, a middle chamber and a lower chamber, the baffles being configured to promote the downward movement of solids, wherein the plurality of baffles include a tubular first baffle vertically disposed in the housing and extending downwardly from the upper wall, a conical second baffle extending downwardly and inwardly from the vertical first baffle, and a conical third baffle positioned below the second baffle and extending downwardly and inwardly from the first baffle; and (c) a plurality of cyclones disposed in the housing, each cyclone including a cyclone body having an upper end with a cyclone inlet and a lower end with a particulate outlet, a gas outlet tube having an upper end extending upwardly into the lower end of the cyclone body, the upper end of the gas outlet tube being connected to the lower end of the cyclone body by a slip joint, and a vortex breaker disposed within the lower end of the cyclone body, the vortex breaker comprising a centering device configured to center the gas outlet tube within the cyclone body.