Stirrer Apparatus And Method For Mixing

Abstract: The invention is based on a stirrer apparatus (10a-c), in particular for use in crystallization systems, having a stirring shaft (14a-c), having at least one first blade element (16a-c), which is retained on the stirring shaft (14a-c) and is intended for mixing at least one mixing material, and having at least one second blade element (18a-c), which is retained on the stirring shaft (14a-c) and is intended for keeping at least one area (20a-c) in the vicinity around the stirring shaft (14a-c) free of material deposits and/or encrustations. In order to achieve improvement in design, it is proposed that the stirrer apparatus should have at least one stirring blade (22a-c) with a front side (24a-c) and a rear side (26a-c), said stirring blade comprising the first blade element (16a-c) and the second blade element (18a-c).

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