Arrangement for processing low grade collected waste paper

Details Arrangement for processing low grade collected waste paper Arrangement for processing low grade collected waste paper

D - Textiles, Paper

21

D

92/34

D21D 1/00 (2006.01) D21B 1/32 (2006.01)

Patent

CA 1114212

ABSTRACT OF THE DISCLOSURE: Arrangement for processing low grade collected waste papers, comprising: a diluting tank collecting pulped and pre- classified material, a pump connecting the diluting tank to a first stage fractionizer, the first stage fractionizer having an outlet neck for long fiber fractions, a thickener to which the outlet neck of the first stage fractionizer is connected, an activizer connecting the thickener to a mixing tank, a mixing pump connecting the mixing tank to a screen classifier, the screen classifier having an outlet neck for classified suspension of waste papers, a groove classifier to which the outlet neck of the screen classifier is connected, the groove classifier having an outlet opening for classified suspension of waste paper, and a system of tanks, pumps and centrifugal separators connecting the outlet opening of groove classifier to a thickener of the long fiber fraction. And a process carried out by such arrangement.

338402

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