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发明授权
CN108348923B 气动连接的级联筛分器和具有气动连接的级联筛分器的循环研磨设备 有权

气动连接的级联筛分器和具有气动连接的级联筛分器的循环研磨设备
摘要：
本发明涉及一种用于筛分粒状筛分材料(2)的筛分装置(1)，该筛分装置包括：V形的静态的第一级联筛分器(5)和V形的静态的第二级联筛分器(14)，所述第一级联筛分器(5)具有：筛分空气入口(8)；用于粒状筛分材料(2)的进料开口(3)；用于筛出的粗料组分(10)的排料开口(11)；以及用于体积流(12)的出口(18)，所述体积流包括筛分空气(9)和取出的第一筛分材料组分；所述第二筛分器(14)具有：用于筛分空气体积流的入口(19)；用于筛出的粗的筛分材料组分(产品A)的排料开口(20)；和用于体积流(22)的出口(23)，所述体积流包括筛分空气(9)和取出的、较精细的第二筛分材料组分。根据本发明尤其提出，所述第二级联筛分器(14)与所述第一级联筛分器(5)气动地连接并且连接在所述第一级联筛分器下游，其中，所述第二级联筛分器(14)的筛分空气体积流通过来自所述第一级联筛分器(5)的体积流(12)被提供。此外提出一种循环研磨设备，这样的筛分装置(1)连接到循环研磨设备中。
摘要（英）：

The invention relates to a classifying device (1) for classifying granular material (2) to be classified, having a first V-shaped static cascade classifier (5), wherein the first cascade classifier (5) has a classifying air inlet (8), a feed opening (3) for the granular material (2) to be classified, a discharge opening (11) for a separated-out coarse-material fraction (10) and also an outlet (18) for a volume flow (12) consisting of classifying air (9) and a first drawn-off classified-material fraction, and a second V-shaped static cascade classifier (14), wherein the second cascade classifier (14) has an inlet (19) for a classifying air volume flow, a discharge opening (20) for a separated-out coarser classified-material fraction (product A) and an outlet (23) for a volume flow (22) consisting of classifying air (9) and a second drawn-off, finer classified-material fraction. According to the invention, it is provided in particular that the second cascade classifier (14) is pneumatically connected to the first cascade classifier (5) and is arranged downstream thereof, wherein the classified-air volume flow of the second cascade classifier (14) is provided by the volume flow (12) from the first cascade classifier (5). Also provided is a circulating grinding plant in which such a classifying device (1) is arranged.

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