Importance

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Abstract

A blower-beater mill for drying and milling material with a beater body and impeller arranged on the mill shaft. The beater arms of the beater body are fastened between hub rings on the shaft and water cooling is applied along the longitudinal axis of the mill shaft. The shaft is enclosed by a casing which extends to the impeller and is spaced from the shaft. In the region of the beater body, the casing has openings for the beater arms. The mill shaft also has hub rings between the beater body and the impeller. The casing is made up of U-shaped rings which overlap one or several hub rings. The rings have vertical legs inserted into passages between the hub rings. A passage behind the beater portion may be enlarged for fitting insert pins in the direction of the hub pins and lock washers may be placed between the front faces of the insert pins and the side faces of the hub rings. A gap may be located between the deflection disk of the impeller and the last U-shaped ring. The diameter of individual U-shaped rings may vary along the shaft.

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First Claim