SCREEN PLATE FOR SCREEN INSTALLATIONS FOR MECHANICALLY CLASSIFYING POLYSILICON AND USE OF SAID SCREEN PLATE

摘要

The object of the invention is a screen plate (1) for screen installations for mechanically classifying polysilicon, comprising a feeding zone (2) for polysilicon, a profiled region (3) with tips (32) and depressions (31), a region (4) with slots (41), the slots (41) adjoining the depressions (31), and a removal region (5), wherein the slots (41) increase in the direction of the removal region.