| 摘要 |
A device for straining substances suspended in liquid having a hollow straining member in the form of a stationary body of revolution having a diameter continuously decreasing on the feed side, wherein inside the straining member a rotatable body of rotation is disposed whose outer wall is spaced at a short distance from the inner wall of the straining member in order to achieve that the layer of material to be strained is clogged at overloaded places on the strainer.
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