Importance

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Abstract

A drier for the heating and drying of wet, comminuted organic materials comprises a stationary housing with a revolving, hollow axle or rotor (1) with inlet and outlet for a heating medium, and where the rotor has a number of annular drying elements (2) disposed at intervals. The drying elements (2) are heated by the heating medium through heat channels (3). On or between the drying elements, lifting elements (4) are disposed along the circumference. Adjacent lifting elements are disposed in a displaced manner from each other to the same side along the outer periphery of the annular elements (2), so that the leading edges (11) extend along a helical line. The drier hereby provides an improved drying and mixing and has a better efficiency. Furthermore, one can determine how quickly the material being dried shall travel forwards, or how long it shall remain in a certain zone. The invention also relates to a lifting element for the drier.

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First Claim