摘要 |
The present invention relates to a screen primarily intended to be used for passing liquid through a layer of pulp. The invention is advantageously employed in removing cooking liquid when producing chemical cellulose pulp or paper pulp in a continuous digester. It is characteristic of the screen that it comprises a frame (12) and a screen plate (14) provided with slots and secured to the frame and that the inclination angle .alpha. of the slots relative to the horizontal direction is 30 - 60 degrees.
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