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Fluidized Bed Boilers

Visit https://goo.gl/A1OfyX to view the full video and purchase access to our other Pulping courses. Conventional solid fuel power boilers burn the fuel in a fixed bed. In a fluidized bed boiler, hot air is blown at a high velocity up through a bed of sand, limestone, and ash causing the solid particles to fluidize, or behave like a liquid. Fluidization provides good mixing and allows for effective combustion when fuel is added. Fluidized bed combustion (FBC) provides several advantages for burning solid fuels, including higher efficiency, lower emissions, and the ability to burn low quality (e.g. high moisture) fuels. This course will focus on the operation of bubbling and circulating fluidized bed boilers.