Patent ID: 6863703
Filing Date: 2005-03-08
Classification: B01D,B01J,F23C,F23J

Abstract:
1. A circulating fluidized bed (CFB) apparatus, comprising: a reaction chamber; a non-vertical flue having a floor, said flue connected to an outlet of the reaction chamber, and a vertical flue connected to an outlet of the non-vertical flue, for conveying a flow of flue gas and entrained solids particles from the reaction chamber across at least one heat exchange surface contained within the vertical flue; and a mechanical dust collector (MDC) having a hopper, said MDC including a plurality of individual collection elements for collecting the entrained solids particles from the flow of flue gas, each collection element having a downward bottom outlet opening for discharging a flow of cleaned flue gas, and wherein said MDC is located in the vertical flue above the at least one heat exchange surface and at least partially underneath the floor of the non-vertical flue.