Importance

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Abstract

A nozzle for a fluidized bed firing system in which a pipe for transporting coal/air mixture has an end surrounded by a hood. This pipe extends into the fluidized bed, and an axial exit opening is located between the hood and the pipe. The pipe, moreover, is provided with that axial exit opening, while the hood is spaced from this exit opening. A deflecting face, moreover, is located in a vicinity opposite to the exit opening. A downwardly-pointing baffle is attached underneath a lower edge of the hood, to the pipe so as to be adjustable in height. The deflecting face may be in the form of a cone with a tip pointing towards the exit opening of the pipe. The hood may be provided, furthermore, with a hemispherical cap.

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First Claim