Patent ID: 6500221
Filing Date: 2002-12-31
Classification: B01D,F22B,F23C

Abstract:
An apparatus for separating solids from flue gas in a circulating fluidized bed (CFB) boiler, comprising:a plurality of vertical, impact type particle separators located within the CFB, the impact type particle separators being adjacently positioned and horizontally spaced from one another in a plurality of staggered rows, each impact type particle separator including a plurality of vertical cooling tubes for conveying a cooling medium therethrough; and a plurality of slip fit elements having apertures which accept and surround the cooling tubes, the plurality of slip fit elements cooperating with one another to form a collecting channel along a length of the cooling tubes formed by side walls and a back wall, the side walls and back wall having a plurality of separate vertically aligned segments extending longitudinally along the height of the impact type particle separator, each vertically aligned segment being connected at its ends to an adjacent segment.